Researchers uncover the oldest asteroid crater in Australia, revealing its role in shaping Earth’s ancient climate.

It's very rare that planetary geologists can tell whether it was an asteroid or comet that hit. One of the most famous of ...

YR4 became the highest-rated asteroid predicted to strike Earth, and although predictions for impact have lowered, not enough ...

Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation ...

The Earth bears geologic evidence of past cosmic impacts, such as the 125-mile-wide Chixculub Crater in Mexico’s Yucatan Peninsula, which was the likely impact site of the 6-mile-wide asteroid ...

Torres: 3.1 percent is not high but it is the highest risk level of a space rock crashing into us, ever. Except for the one ...

The rock tour has officially been canceled. After two months of observations, NASA scientists have officially declared Earth ...