What Is an Atmospheric River? By Greg Uyeno Atmospheric rivers are named as the cause of lots of extreme weather, especially in the western United States. Where do these rivers in the sky come from?
Mount Sedom Hides the Longest Salt Cave on Earth By Rafi Letzter Malham Cave in the Negev Desert is the longest salt cave in the world, measuring more than 6 miles (10 kilometers) in total length, researchers say.
Fastest-Thinning Greenland Glacier Threw NASA Scientists for a Loop. It's Actually Growing. By Laura Geggel Instead of shrinking, this giant glacier is growing, NASA scientists found.
Melting Mount Everest Ice Is Exposing a Grisly Sight: Scores of Dead Bodies By Yasemin Saplakoglu Melting glaciers are revealing dozens of dead bodies on the world's tallest mountain
Beneath Earth's Crust, Hot Rocks Creep As Oceanic Plates Plunge Toward the Core By Stephanie Pappas The deep part of Earth's middle layer is on the move.
'Unseen' Meteor That Exploded Over Bering Sea Caught on Camera After All By Stephanie Pappas A meteor that snuck by the world's telescopes and exploded over the Bering Sea was caught on camera after all.
Day and Night Are Perfectly Balanced in Spring Equinox Photo Snapped from Space By Laura Geggel Earth just got another dazzling glamour shot, thanks to a satellite that snapped its photo on the March 20 spring equinox.
A Single Thundercloud Carries 1 Billion Volts of Electricity By Brandon Specktor A single thundercloud is more powerful than even the most potent nuclear plants on Earth. Scientists used cosmic rays to prove it.
'Inland Oceans' from One of Southern Hemisphere's Worst Storms Seen from Space By Megan Gannon One of the worst cyclones to hit southern Africa left flooding that could be seen from space.
Chemically, Earth Is Basically a Less Volatile Version of the Sun By Mindy Weisberger The elemental composition of Earth and sun are unexpectedly similar.
Today’s Spring Equinox Heralds Warmer Months — And a Supermoon By Mindy Weisberger In the Northern Hemisphere, winter's chilly grip will soon start to weaken.
What's Behind the Massive Midwestern Floods: 2 Giant Waves of Water By Rafi Letzter Here's why vast swaths of Nebraska, Missouri, and other Midwestern states are drowning.
Nebraska Flooding Seen from Space in Dramatic Detail By Stephanie Pappas Nebraska's rivers swell after a "bomb cyclone" hits the central U.S.
Dead Whale Washes Ashore with Shocking 88 lbs. of Plastic in Its Stomach By Yasemin Saplakoglu His stomach "had the most plastic we have ever seen in a whale"
In Photos: Impossible Rocks on a Remote Island By Stephanie Pappas Scientists have found a motherlode of "impossible" rocks on a ridgeline on Anjouan island, off eastern coast of Africa.
'Impossible' Rocks Found on Remote Volcanic Island By Stephanie Pappas Geoscientists tracking down reports of curious, out-of-place rocks on Anjouan island have found a mountain-size mystery.
Tropical Tectonic Collisions May Have Unleashed Ancient Ice Ages By Stephanie Pappas Earth's icy periods may owe their existence to tropical mountains.
Waterfalls Can Spring from Rivers Spontaneously By Yasemin Saplakoglu The breathtaking sound and sight of waters that cascade off of steep cliffs, may be self-made productions.
Early Earth's Spin Helped Shape Its Molten Magma Ocean By Stephanie Pappas The early Earth's worldwide sea of magma may have been shaped by the young planet's rapid spin.
Miles-Long Lake Pops Up in Death Valley By Yasemin Saplakoglu A large lake just formed in the middle of North America's driest area
