Right here on Earth are some outstanding examples of meteorite and asteroid impact craters and other visible impact ...

December is an exciting month for those who like to look up, with a comet, a meteor shower, and a conjunction between the ...

For decades, humanity has sought answers to one of the most profound questions in science: are we alone in the universe? The ...

A specially trained algorithm could aid the search for biological activity both on the early Earth and on other worlds.

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

Since the 1950s, humanity has been searching for extraterrestrial life with increasingly sophisticated tools. But after ...

When a meteor flashes across the night sky, it’s more than a beautiful streak of light. It’s a delivery from deep space—an ...

A major breakthrough challenges everything we knew about Earth’s ancient life. New evidence pushes the timeline back by over ...

This year’s WTOP “Gift Ideas for Stargazers,” coincides with Black Friday and Cyber Monday sales, to possibly help get the best deals for that special someone on your holiday gift list that loves the ...

People have been talking about it for years, and enthusiasm rises cyclically, but there are many doubts and the risk of being ...

Key PointsAbout 4.5 billion years ago, a dramatic event transformed the young Earth when a large protoplanet known as Theia struck our planet ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...