Becky Oskin

Small volcanic eruptions account for part of the global warming slowdown since 2000, a new study reports.

The secret fountain of youth is frozen water mantling Antarctica's mighty Gamburtsev Mountains, which have kept their youthful appearance after 34 million years buried under ice.

A striking new video from NASA reveals how the greenhouse gas carbon dioxide spreads across Earth in a single year.

The demand for global trade is driving a huge growth in cargo shipping in the world's oceans, with nearly four times as many ships at sea than in 1992.

Even though deadly spider bites are regular fodder for scare stories, spider experts say it's actually quite rare for anyone to suffer serious injuries from the world's deadliest spiders.

Pavlof volcano, one of Alaska's most active volcanoes, erupted for the second time this year on Saturday (Nov. 15).

Expect a 50 percent increase in lightning strikes within the United States by 2100 if temperatures continue to rise due to greenhouse gas emissions.

Italian scientists convicted of manslaughter in connection with the 2009 L'Aquila earthquake won their appeal on Monday (Nov. 10).

Extremely low levels of radioactive cesium from Japan's 2011 Fukushima nuclear meltdown are present in ocean water offshore Northern California.

Scientists suspect Antarctica's shrinking glaciers are melting from the bottom up, and a fleet of robot ocean gliders may help explain why.

El Niño conditions continue to sputter in the tropical Pacific Ocean, pushing back the odds of even a weak El Niño emerging this winter, forecasters said today (Nov. 6).

Small islands boost the power of tsunami waves, rather than absorbing their impact, a new study shows.

There's still time to hit the peak for colorful fall leaves, and a new foliage forecast map can help people plan their viewing trips more than a week ahead.

A rare mineral known from just three massive meteorite impacts has now turned up in a Wisconsin crater.

Just in time for Halloween, a spooky set of thunderstorms passed over the Eastern Pacific Ocean today.

The most catastrophic volcanic eruption in the last 2 million years may owe its superpower to stacks of hot molten rock layered like jelly filling inside a sky-high wedding cake.

Telltale signs of life have been discovered in rocks that were once 12 miles (20 kilometers) below the surface — some of the deepest chemical evidence for life ever found.

A fossil tusk rescued from the sea proves mammoths swam to Southern California's Channel Islands much earlier than thought, and they beat humans there.

During the early Permian, carnivores greatly outnumbered herbivores on land, so top predator Dimetrodon supplemented its diet by hunting sharks.

Earthquake science has kept pace with San Francisco's tremendous transformation since the 1989 Loma Prieta earthquake.