Exploration and Explorers
3,000 Feet of Air Below Your Feet: A Q&...
Dean Potter, the first free soloist to climb Yosemite's El Capitan, talks about his other art form: wingsuit flying.
-
Repairman Accidentally Sailing to South Pole
Ship fled the dock when immigration officials tried to serve deportation papers on the skipper.
-
UK Woman Is First to Ski Across Antarctica
The frigid journey marks a new record for several reasons.
Volcanoes
Ancient Yellowstone Eruptions Not from ...
Instead, a rip in a subducting slab may have released flow of magma.
-
Underwater Volcano Still Erupting
The El Hierro vent has been going steady for 4 months.
-
Dramatic Eruption of Mount Etna Caught in Photos
All calm again now at Italy's famous volcano.
-
Antarctica Mappers Turn Eyes to the North Pole
Maps of Arctic and Antarctica help track polar animals, train researchers.
-
Less Snow, Ice Leads to Warmer Globe
Less snow and ice cover means more of the Sun's energy is absorbed by Earth.
Antarctica
Voyagers Set Sail for Imperiled Antarct...
Expedition will send back photos and video of the region's majesty.
-
Russian Team Has Reached Buried Antarctic Lake, Reports Say
Russian news outlets reporting team has reached long-buried Antarctic lake.
-
Russian Scientists Poised to Reach Ice-Buried Antarctic Lake
They're tantalizingly close, but other groups may beat them.
Earths Interior
Ancient Rocks Suggest Early Earth Was M...
Ancient volcanic rocks withstood melt, mixing.
-
How Diamond-Rich Magmas Rise from Earth's Depths
Kimberlite magmas rise much more rapidly than expected.
-
Why North America Won't Erode Away
Signatures in ancient rocks show continent's erosion history.
Earthquakes
Air Guns Provide Shot of Earthquake Faults
Pulses fired into lakes show picture of subterranean seismic features.
-
Earthquake Strikes Missouri
Preliminary magnitude of 4.0, according to the USGS.
-
Earthquake Strikes Papua New Guinea
Preliminary magnitude of 5.6, according to the USGS.
-
White River Badlands: A Window into History
Fossils and native wildlife abound.
-
Lofty Ruins: The Lost City of the Incas
Machu Picchu has become a popular tourist destination.
National Parks
National Parks Offer Free Admission for...
See a Civil Rights monument or knock a park off your bucket list.
-
How Yellowstone Recovers from Forest Fires
-
Best National Parks to Visit During Winter
Check out these winter wonderlands - and one warm retreat.
-
Rocking Find: Boulders Rub Shoulders During Quakes
Rubbing creates unusual erosion patterns on rocks.
-
Empty Quarter: World’s Largest Sand Sea
-
Teen Climber Now Youngest Person to Climb the Seven Summits
16-year-old finished his quest on Dec. 24 in Antarctica.
-
Sierra Nevada Faults Pose Major Quake Risk, Study Finds
Evidence of past major temblors found around faults.
Canyons
Grand Canyon's Birth Linked to Deep Ear...
Structure below ground sheds light on canyon formation mystery.
-
Huge Natural Stone Arch Discovered
The natural bridge is the 12th largest on the planet.
-
Alps' River-Carved Gorges Held Out Against Glaciers, Study Finds
Inner gorges were preserved through different glacial periods.
Miscellaneous
Plate Tectonics Becoming Clearer With C...
Models getting better and seeing how plates collide and rift.
-
OurAmazingPlanet Announces Sweepstakes Winners
Three grand prize winners won digital cameras.
-
How Earth's Next Supercontinent Will Form
North America and Asia will come together across the Arctic.
Glaciers
Warm Spike in 2010 Caused Greenland to ...
Warmer weather melted ice, causing bedrock below to uplift.
-
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, thi...
-
Melting Glaciers Alter Earth's Gravity
Could provide information on when Greenland, Antarctica began melting.
-
Environmental Group Ranks South's Most Endangered Places
Fracking, mining and other practices threaten ecosystems.
-
Hiker Tech: New Handheld GPS Released at CES 2012
An affordable way not to get lost in the woods.
-
Surprising Sunken Islands Discovered Near Australia
Islands could change view of breakup of the ancient supercontinent of Gondwana.
-
Irish Whodunit: The Mystery of the Moving Boulders
Huge waves are the likely culprit, but scientists seek to know what kind of large wave.
Caves
Remote Island Caves Reveal Clues to Wor...
Stalagmites on floors of caves provide ten thousand year-record.
-
Cave's Giant Crystals Take Eons to Grow
Crystals took millions of years to reach current size.
-
Climate Clues Hang from Mysterious Cave's Ceiling
Dripstones in Alps cave shed light on mountain growth, ancient climate.





















