Greenhouse gas emissions could reduce drag in the upper atmosphere, leaving more space debris in orbit and making satellites ...

Climate change is already causing all sorts of problems on Earth, but soon it will be making a mess in orbit around the ...

The rate of stars going supernova near Earth appears to match two mass extinctions -- 372 million years ago and 445 million ...

Researchers have discovered a 3.5-billion-year-old meteorite impact crater in Western Australia, providing new insights into ...

But real lightning would have struck infrequently—and mostly in open ocean, where organic compounds would have quickly ...

At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova ...

"EZIE is the first mission dedicated exclusively to studying the electrojets," Larry Kepko, an EZIE mission scientist at NASA ...

We may be starting to get a grasp on what kick-started life on Earth – and it could help us search for it on other planets ...

Surprising differences in the two so-called Large Low-Velocity Provinces may risk instability in Earth's protective magnetic ...

At first glance, landscapes like the Great Plains and the Rockies may seem unchanging, but over geological time scales, ...

A study of ancient stromatolites reveals that ammonium reservoirs in early Earth's oceans, likely influenced by volcanic ...

The Antarctic Circumpolar Current is involved in everything from storing carbon to guarding Antarctica from invasive marine ...