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What's the difference between an active, dormant and extinct volcano?
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Earth news quiz 2024: Test yourself on this year's biggest stories about our planet
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Sunlight shapes our evolution — and may explain why some people have curly hair
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Climate change is the worst. Here's just how bad it got this year.
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The oldest rocks on Earth
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Kawah Ijen: The volcano in Indonesia that holds the world's largest acidic lake at its heart
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The most important and shocking climate stories of 2024
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Scientists peered into a secret Antarctic lake hidden beneath the ice — and uncovered a never-before-seen ecosystem
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40-year-old 'mega' iceberg — the largest on Earth — is on the move after being trapped in a giant vortex for months
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Earth from spaceAntarctica's 'Deception Island' is one of the only places on Earth where you can sail into an active volcano
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When was the last time Antarctica was ice-free?
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'Doomsday glacier' won't collapse the way we thought, new study suggests
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Earth from spaceHigh winds paint puzzling ice streaks across the sea in Antarctica
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1st map of Antarctica's green space unveiled. Here's what it shows.
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Never-before-seen shapes up to 1,300 feet long discovered beneath Antarctic ice
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Giant river system that existed 40 million years ago discovered deep below Antarctic ice
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'Ominous milestone for the planet': Arctic Ocean's 1st ice-free day could be just 3 years away, alarming study finds
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Surprised Russian school kids discover Arctic island has vanished after comparing satellite images
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Earth from spaceMassive blue 'melt pond' in Arctic glacier is an eerie sign of things to come
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Earth from space4 near-identical glaciers spark new life in Arctic island's 'polar desert'
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Earth from spaceIconic 'Star Trek' symbol shines brightly in sea of muddy Arctic sea ice
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Earth from spaceGhostly figure emerges in Greenland ice after underground lake collapses
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Gateway to the underworld: The enormous permafrost 'megaslump' in Siberia that keeps getting bigger
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Earth from spaceTrio of ringed ice caps look otherworldly on Russian Arctic islands
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Siberia's 'gateway to the underworld' is growing a staggering amount each year
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The most important and shocking climate stories of 2024
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Watch Greenland lose 563 cubic miles of ice in under 30 seconds in disturbing new time-lapse video
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Scientists say sprinkling diamond dust into the sky could offset almost all of climate change so far — but it'll cost $175 trillion
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'An existential threat affecting billions': Three-quarters of Earth's land became permanently drier in last 3 decades
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A third of Earth's species could become extinct by 2100 if climate change isn't curbed
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'Cryptic carbon' may leak from volcanoes millions of years after eruptions end
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Global carbon emissions reach new record high in 2024, with no end in sight, scientists say
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Microplastics may be entering the clouds and affecting the weather, scientists say
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'We are teetering on a planetary tightrope': Cut emissions in half right now to prevent climate catastrophe, UN warns
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Massive magnitude 7 earthquake strikes off California coast
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'Upwelling' deep in the mantle triggered magnitude 6.8 Morocco earthquake
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LA may be spared 'horrifying' fate of the 'Big One' from San Andreas, simulation suggests
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Will we have more earthquakes because of climate change?
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Huge earthquake 2,500 years ago rerouted the Ganges River, study suggests
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Why do earthquakes happen far away from plate boundaries?
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Odd earthquake swarm in Central Europe hints at magma bubbling below the surface
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Part of the San Andreas fault may be gearing up for an earthquake
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Rare magnitude 4.8 and 3.8 earthquakes rock Northeast, including Greater New York area
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Just a fraction of the hydrogen hidden beneath Earth's surface could power Earth for 200 years, scientists find
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Physicists solve nuclear fusion mystery with mayonnaise
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Nuclear fusion reactor in UK sets new world record for energy output
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Massive hydrogen reservoir discovered beneath an Albanian mine could be an untapped source of clean energy
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What is fission?
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Wind and solar power overtakes coal for the first time ever in the US
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Chernobyl: The world's worst nuclear disaster
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How do you decontaminate objects exposed to radioactivity?
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Scientists discover enzyme that can turn air into energy, unlocking potential new energy source
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Sunlight shapes our evolution — and may explain why some people have curly hair
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Evolution quiz: Can you naturally select the correct answers?
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Raindrops may have helped kick-start life on the planet
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Which animals are evolving fastest?
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'I have never written of a stranger organ': The rise of the placenta and how it helped make us human
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Ancient relative of 'living fossil' fish reveals that geological activity supercharges evolution
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How fast does evolution happen?
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Defense system common to all life came from 'Asgard'
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Evolution: Facts about the processes that shape the diversity of life on Earth
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The oldest rocks on Earth
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Kawah Ijen: The volcano in Indonesia that holds the world's largest acidic lake at its heart
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There's a massive fault hidden under America's highest mountain — and we finally know how it formed
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'I knew they were something special': New York homeowner discovers mastodon jaw fossils in backyard
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Marble Caves: Chile's ethereal turquoise caverns with 'mineral ice cream' on the walls
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Earth from spaceOtherworldly stripes and shadowy dunes share center stage in 'hottest place on Earth'
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Fossil Forest, Dorset: England's 145 million-year-old tree stump fossils preserved by ancient microbes
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Hailin impact crater: China's newly discovered meteor pit born from a 'nuclear explosion level' event
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'Supergiant' gold deposit discovered in China is one of the largest on Earth — and is worth more than $80 billion
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'Mirror life forms' may sound like science fiction, but scientists warn they could be deadly to humans and destroy the environment
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Mouse brains, cannabis plants and spider eyes: 20 jaw-dropping images of the microscopic world around us
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'Loch ness monster' microbe stretches its neck to 30 times its body length in seconds
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'The most critically harmful fungi to humans': How the rise of C. auris was inevitable
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Hidden 'biosphere' of extreme microbes discovered 13 feet below Atacama Desert is deepest found there to date
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Scientists discover once-in-a-billion-year event — 2 lifeforms merging to create a new cell part
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Lost world of lagoons filled with mounds of microbes discovered in Atacama desert
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After you die, your microbiome cooperates with soil microbes to 'recycle' your body
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Bizarre giant viruses with tubular tentacles and star-like shells discovered in New England forest
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'Rising temperatures melted corpses out of the Antarctic permafrost': The rise of one of Earth's most iconic trees in an uncertain world
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'Alien plant' fossil discovered near Utah ghost town doesn't belong to any known plant families, living or extinct
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Squirting cucumbers thicken and stiffen to eject seeds with 'remarkable speed and precision,' study finds
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Where did the 1st seeds come from?
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Pando, the world's largest organism, may have been growing nonstop since the 1st humans left Africa, study suggests
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How is paper made from trees?
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Pando: The world's largest tree and heaviest living organism
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Deep below the Arctic Ocean, some plants have adapted to photosynthesize in almost near darkness
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Lost biblical tree resurrected from 1,000-year-old mystery seed found in the Judaean Desert
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What are the most polluted cities in the world?
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Pollution facts and types of pollution
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Even brief exposure to diesel fumes alters activity in key brain network, study finds
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Monet and Turner's atmospheric landscapes actually depicted air pollution, new study finds
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How Much Trash Is on Mount Everest?
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Hole in the ozone layer has grown for a 3rd year in a row — but scientists aren’t concerned
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No More Free-Pass for Carbon Pollution (Op-Ed)
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Kids' Mental Health Risks Rise with Poor Air Quality
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ReferenceLight pollution: Environmental impact, health risks and facts
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Denmark Strait cataract: The world's largest waterfall, hidden underwater and unlike any other on land
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Satellites reveal stunningly detailed maps of Earth's seafloors
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'A challenge and an opportunity for evolution': The extreme, hidden life thriving in Earth's most acidic and alkaline lakes
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Earth from spaceCrimea's 'putrid sea' creates beautiful rainbow of color but smells like rotten eggs
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Key Atlantic current is weakening much faster than scientists had predicted
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Indian Ocean gravity hole: The dent in Earth's gravitational field created by the death of an ancient ocean
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'A harbinger of what's to come:' NASA satellites show massive drop in global freshwater levels
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This spot will be key to the inevitable collapse of a key Atlantic current
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Earth is racing toward climate conditions that collapsed key Atlantic currents before the last ice age, study finds
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Tsunamis up to 90 feet high smash into New Zealand every 580 years, study finds
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1st mega-tsunami on record since antiquity was triggered by Tonga volcanic eruption
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Powerful 8.1-magnitude earthquake off New Zealand triggers tsunami warnings
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Magnitude-7.3 earthquake strikes Fukushima, tsunami warning issued
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Japan earthquake & tsunami of 2011: Facts and information
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'Invisible' earthquake caused mysterious 2021 tsunami, scientists find
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4-foot tsunami hits Tonga after explosive eruption of underwater volcano
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Lost islands beneath the North Sea survived a mega-tsunami 8,000 years ago
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Ice melt in Alaska threatens to unleash unprecedented 'mega-tsunami,' scientists warn
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Watch Kilauea volcano erupt LIVE
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Philippines volcanic eruption: Kanlaon volcano 'may progress to further explosive eruptions'
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Dramatic NASA images reveal lava coursing near Iceland's Blue Lagoon
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QuizUS volcano quiz: How many can you name in 10 minutes?
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Earth from spaceEerily circular 'Goblin Forest' surrounds sacred volcano with human rights
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Indonesia volcano eruption kills at least 10
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How a catastrophic volcanic eruption on the North Korea border created 'Heaven Lake'
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Mysterious 'blobs' in Earth's mantle are not what we thought, study claims
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'Every volcano has its own personality': Mystery Mount Adams earthquake surge under investigation
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What does a weather report of 30% chance of rain mean?
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Huge, 7-mile scar torn across Australia's Nullarbor Plain discovered by caver scouring Google Earth
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'Bomb cyclone' bringing high winds to West Coast seen from space in stunning timelapse
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West Coast bracing for 'bomb' cyclone
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Why isn't the darkest time of the year also the coldest?
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Earth from spaceWatch Valencia disappearing under a sea of mud during deadly Spanish floods
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What is DANA, the strange weather phenomenon that has caused deadly flooding in Spain?
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What's the fastest recorded wind speed?
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Before and after satellite images show lakes appearing across Sahara after deluge of rain soaks desert
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