Photo Reveals Giant Greenland Iceberg Heading to Sea By Andrea Mustain published 3 August 12 This iceberg is only beginning its journey.
Nat Geo Channel Announces Ambitious National Parks Series By Andrea Mustain published 1 August 12 Filmmakers are scouting locations to showcase iconic American spaces.
First Sunrise of Season Blazes into Antarctic View By Andrea Mustain published 27 July 12 The sun hasn't shown its face in two months.
Sweeping 'Grand Canyon' Discovered Beneath Antarctic Ice By Andrea Mustain published 25 July 12 Massive geological feature has implications for ice loss.
Dazzling Map Reveals Rising Menace of US Fires By Andrea Mustain published 21 July 12 Map reveals increase in fires as well.
Digging Into the Past Reveals Future Quake Potential By Andrea Mustain published 12 July 12 A fault in America's backyard could generate a quake to rival Japan's disastrous 2011 earthquake and tsunami.
Mystery of Bending Mountains May Be Solved By Andrea Mustain published 5 July 12 The process may bring precious metals within reach.
Video: Destructive Derecho Windstorm Sweeps Across US By Andrea Mustain published 3 July 12 This whopper of a storm was a rare event.
Smoke from Western Wildfires Reaches Atlantic Ocean By Andrea Mustain published 3 July 12 Smoke is traveling far from the flames.
US Deep-Sea Submarine Gets Makeover By Andrea Mustain published 2 July 12 Alvin is getting a makeover to extend its reach.
Stunning Map Reveals World's Earthquakes Since 1898 By Andrea Mustain published 29 June 12 The silhouettes of Earth's tectonic boundaries stand out in bright color.
Despite Debby's Downer, 'Normal' Hurricane Season Expected By Andrea Mustain published 26 June 12 Researchers haven't revised the outlook for the Atlantic hurricane season.
China Breaks Deep-Sea Diving Record By Andrea Mustain published 22 June 12 The dive is the deepest ever for three humans simultaneously.
Sizzling Summer Heat Breaks Records Across US By Andrea Mustain published 22 June 12 Summer temperatures could be warmer than average across much of country this year.
Iceland Offers Rare Glimpse of Tectonic Meeting Place By Andrea Mustain published 21 June 12 Scientists got a glimpse of a mid-ocean ridge without taking a dive to the seafloor.
US Monsoon Season Set to Make Annual Debut By Andrea Mustain published 19 June 12 The rainy season is the result of a change in the prevailing wind direction.
Soap Bubbles Shed Light on Paths of Hurricanes By Andrea Mustain published 14 June 12 Research used surprising source to develop a law to predict a hurricane's movement.
Stunning Map Shows Tornadoes' Historic Marks By Andrea Mustain published 13 June 12 The tornado-track map reveals that the U.S. is a hot-spot for twisters.
Videos Show Rare Tornado Striking Venice By Andrea Mustain published 13 June 12 Italy isn't Tornado Alley, but twisters can happen anywhere the conditions are right.
China Sub Set to Dive to Record-Breaking Depths By Andrea Mustain published 12 June 12 The attempt marks a game-changer for state-sponsored deep-sea exploration.
Photo: Giant Bull Shark Surprises Researchers By Andrea Mustain published 7 June 12 This 'lady' was a whopper.
Why This Tornado Season Has Been a Mild One By Andrea Mustain published 31 May 12 It may seem like a snooze, but it started with a bang.
Rare & Secretive Striped Rabbit Caught on Camera By Andrea Mustain published 29 May 12 These shy animals have almost never been captured on film.
'Normal' 2012 Hurricane Season Predicted By Andrea Mustain published 24 May 12 But nobody is off the hook and officials urge preparedness.
Earthquake Magnitude: Just How Big Was the Biggest Earthquake? By Andrea Mustain published 23 May 12 A visual aid makes this exponential scale a lot clearer.