On the ground, its rings are hard to appreciate; dunes, heat haze, and uneven terrain all conspire to hide the full shape. But from space, especially in the images taken by the Copernicus satellite, ...

The Geminid meteor shower has begun. The Geminids peak overnight on Dec. 13 and 14, when up to 150 "shooting stars" per hour ...

Stargazers rejoice! Dec. 4 marks the start of the annual Geminid meteor shower, as Earth passes through the trail of debris ...

On a scorching summer afternoon at Grootfontein, Namibia, a curious paradox greets every visitor to the Hoba meteorite.

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

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