The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...

In October 2020, a van-sized robotic spacecraft briefly touched down on the surface of Bennu, a 525-meter-wide asteroid 320 million kilometers from Earth.

The Juno mission has discovered remarkably strong activity on Jupiter's moon, Io. The hot spot emits eruptions with energy ...

The findings provide the strongest evidence yet that asteroids may have planted the seeds of life on Earth and that these ...