Researchers identify a new mechanism that allows avalanches containing a mixture of rock and ice to travel very long distances.

A federal court blocked the Trump administration from flying three Venezuelan illegal immigrants in New Mexico to Guantanamo ...

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south ...

National Weather Service meteorologist Zachary Yack said the storm would be "almost identical” to the winter storm that ...