Becky Oskin

Colossal icebergs careening along the Antarctic coastline can shut down the deep, cold currents that help drive ocean circulation.

Pine Island Glacier in West Antarctica flowed about 325 feet (100 meters) between March 3 and March 15, 2015.

The spring snowmelt comes more than two weeks earlier than it did in the 1970s in Wyoming's Wind River Range, a new study finds.

A fingernail-size frog that can morph its skin texture from spiny to smooth in just minutes is the first shape-shifting amphibian ever found, according to a new report.

This year's El Niño may deliver a quiet tornado season.

Stunning lightning storms inside of towering volcanic ash clouds created tiny glass balls.

A rare leatherback turtle stranded on a remote South Carolina beach was released back into the wild today (March 12).

See photos of wildlife experts in South Carolina rescuing a stranded leatherback turtle on March 7, 2015.

Isolated glaciers can store liquid water in their upper layers for years, similar to firn aquifers found in Greenland.

Weather patterns drew a dividing line between West and East in the United States in February, according to NASA.

For the first time, conservationists have spotted an Amur tiger dad leading his family along a snowy trail in Russia's Far East forests.

Toxic lead buried in icy layers of an Andes glacier reveals that leaded gasoline was the region's worst polluter in the last 2,000 years.

The bone-chilling cold weather that blasted the eastern United States in winter 2014-2015 was miserable, but no record-breaker.

Four geologists in Iceland had the hottest job on Earth this week. To capture accurate measurements of toxic volcanic gases, the scientists climbed directly into Baugur crater on Wednesday.

Amazing photos from a climb into Iceland's recently active Baugur crater to measure volcanic gases.

Most people know that Einstein was an anti-war activist, but after moving to the United States in 1933 and becoming a U.S. citizen, Einstein also confronted American racism.

Hawaii's big, booming eruptions are born from a pair of two relatively small magma chambers under Kilauea volcano's peak.

A small early morning eruption at Chile's Villarrica volcano lit the night sky with a spectacular display glowing ash and sputtering lava.

Fossils left behind by a penguin that was hunted to extinction reveal a remarkably fast turnover in species occurred after Polynesians settlers wiped out New Zealand's weird island wildlife.

California's severe drought is just a taste of the dry years to come, thanks to global warming, a new study finds.

Iceland's biggest volcanic eruption in more than 200 years has ended for now.

The Pacific was a planetary air conditioner for the past two decades, but the relief may soon end, a new study finds.

The climate-changing greenhouse effect exists and has been directly measured in the United States.