Meeting of the American Astronomical Society, two teams of astronomers—centered at Penn State and MIT—independently announced new discoveries about an extreme form of planetary destruction: apparently ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

Using ice core samples, researchers linked a natural disaster with a trove of nearly 5,000-year-old artifacts discovered at an archaeological site in Denmark ...

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds.

Astronomers are very familiar with the twin jets launched from the poles of supermassive black holes. These structures can ...

On the slope of a Utah mountain, a 106-acre colony of cloned aspen trees is under threat from wildlife and climate change.

New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, ...