Latest articles by Andrea Mustain
Doomed Polar Explorer's Lost Photos Revealed
The images reveal another side of the storied polar explorer.
Man's 7,000-Mile Wild America Trek Nears End
Preservationist has biked, paddled and walked far more than 500 miles.
Images: Visit to an Inflating Volcano
This mysterious peak may be a burgeoning supervolcano.
Images: Scott's Lost Photographs
Scott's photos reveal the explorer's artistic side, says author of a new book.
Microbe Census to Delve Deep for Earth's 'Invisibles'
Finding out what's down there is a big task, complicated by microorganisms' wily ways.
Disaster's Aftermath: Assessing Hurricane Irene's Damage
Quantifying the storm's ferocity is complicated, scientists say.
Raining Meteorites May Have Led to Earth's Primordial Life
A hail of massive rocks from space could have sparked life on Earth.
Rocks of Ages: An Amazing Journey into Earth & Back
Colorful rocks shed light on the Earth's tectonic past.
Upside-Down Mountain Revealed Inside Earth
New images reveal surprisingly dramatic silhouettes lurk in Earth's interior.
Leaf Forecast: Outlook Good for Colorful Fall
Hurricane Irene may add kick to fall's colorful leaves.
Earth's Final Frontier: Mysteries of the Deep Sea
Dark and deep for sure, but both lovely and unlovely discoveries await, scientists say.
Volcanic Vents Give Sneak Peek of Acidic Ocean
Scientists take a trip through time to peer into the future.
For Sale: Pieces of Polar Explorers' Dramatic Past
Photos offer inside look at doomed polar expedition.
Scott's Last Expedition: Images From His Doomed South Pole Trek
Scott's race to the Pole ended in tragedy, but these images show his team before they met their end.
Why Japan's Typhoon Talas Was So Deadly
A huge storm brought record-breaking rains to an already beleaguered nation.
Giant Chunk of Greenland Ice Set to Break Away
This Greenland glacier produced a colossal ice berg last year, and may be set to do it again, this time with darker consequences.
Surprise Coral Killer Hits Florida: Extreme Cold
Saving reefs from weather extremes is possible if they're healthier overall, scientists say.
Astronauts Eye Irene As It Heads Ashore
Astronauts got another eyeful of the powerful hurricane.
Inside Irene: What Hurricane Hunters Are Finding
Despite slight weakening, no relief is in sight.
Hurricane Irene 'Big, Scary Storm,' Astronaut Says
Even from space, Hurricane Irene's power is on full display.
What Is Fueling Hurricane Irene's Fury?
The hurricane has had ideal conditions in which to grow.
Quest to Count Earth's Species Hits New Number
Noah would have needed a really big ark.
