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Deepest Ocean Water Teems With LifeMicroscopic bacteria thrive in seawater at the lowest point on Earth's surface, the Mariana Trench.
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Arctic Blast Blankets Eastern US in Ice and Snow (Photo)An Arctic blast sweeping across the East Coast, from Canada south to Florida, left much of the country blanketed in ice and snow this week.
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Cities Birth More Thunderstorms Than Rural AreasHot and humid cities can birth more summer thunderstorms than rural areas in the Southeast.
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Bright and Stormy Night: Clouds Make Cities LighterClouds are interrupting the natural night cycles of the moon and stars. Because of light pollution, when clouds roll in at night, cities brighten instead of growing darker, researchers find.
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Photos: Light Pollution Around the WorldBecause of light pollution, when clouds roll in at night, cities brighten instead of growing darker, researchers find. Here are photos of the artificial nighttime glow.
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Photos: America's Least Visited Parks in 2014Lovely photos of the loneliest parks in the United States.
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US National Parks Set Attendance Record in 2014A staggering 292.8 million visitors toured a national park, seashore or historic site in 2014, topping the previous record of 287.2 million visits set in 1987.
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2014: America's Most Loved ParksHere are photos of the top 10 most visited spots in 2014 in the National Park Service system.
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Sorry, Spiders: Sea Snails Make Strongest Material on EarthThe world's strongest stuff isn't spider silk; it's limpet teeth.
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Vast Bed of Metal Balls Found in Deep SeaOne of the richest beds of manganese nodules ever found on the Atlantic seafloor was discovered last month while trolling for deep-sea creatures between South America and Africa.
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Worst Megadroughts in 1,000 Years Threaten USBefore this century ends, the Southwest and Central Plains states could shrivel under decades-long megadroughts worse than those that ended the Ancestral Pueblo civilization millennia ago.
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Hidden Faults Explain Earthquakes in Fracking ZonesTwo new studies explain why some regions of the country are rattling more than others as oil and gas production rises.
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Did Ocean's Big Burps End Last Ice Age?A massive outpouring of carbon dioxide from the deep ocean helped end the last ice age, scientists report today.
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Dinos Got High, Oldest Grass Fungus Fossil HintsMillions of years before LSD and rock and roll, dinosaurs munched on psychedelic fungus, a new study suggests.
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More Floods Hitting Midwest StatesFloods have become more frequent in the central United States in the past 50 years, a new study finds.
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Photos: Amazing Rocks from the Alamo Impact CraterCheck out amazing rocks from the Alamo impact crater in Nevada.
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America's Amazing, Drivable Crater: Alamo Impact Yields SecretsEvidence provided by pulverized rocks offers the most comprehensive view yet of Alamo crater, the most accessible impact crater in North America.
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Global Warming May Spawn More Southeast US TornadoesWhile the tornado total will climb by 2100, the number of tornadoes will also swing wildly from year to year.
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Waking Beasts: Underwater Volcanoes Roused by Ice AgesThe rise and fall of sea level during the past million years matches up with valleys and ridges on the seafloor, suggesting a link between underwater eruptions and ice ages, two new studies find.
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Sky River to Bust Northern California Drought This Week -
Fires Intensified Deadly Tornado OutbreakOne of the deadliest tornado outbreaks in U.S. history was strengthened by smoke from burning farmlands in Central America, a new study suggests.
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Lava Bomb Fossils Hold Clues to Islands' Fiery OriginTiny marine fossils that shot to the surface in El Hierro volcano's steaming lava bombs could help unravel the ancestry of the Canary Islands volcanic chain.
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Gallery: Eerie Rocks From El Hierro VolcanoDuring the October 2011 eruption of El Hierro volcano, hundreds of steaming volcanic "bombs" appeared floating on the sea surface about 1.2 miles (2 kilometers) offshore La Restinga village.
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Greenland's Hidden Ice Layers Revealed in New MapLayer by layer, scientists have filled in the hidden expanse of Greenland's vast ice sheet, revealing where the island hides its oldest ice.
