A pulsar 37,000 light-years from Earth collided with a billion-ton asteroid.

NASA will give the dormant WISE space telescope a new task, enlisting it in the hunt for near-Earth asteroids.

When NASA asked the public for ideas on tracking and exploring asteroids, the agency received more than 400 ideas. [11 mins. 49 secs.]

Astronomers weigh in on how to keep the planet safe from near-Earth objects.

A company aims to expand the world's natural resource base by mining asteroids.

In this video, Paul Andersen explains the parts of the Solar System; including the planets, dwarf planets, moons and asteroids. He explains how everything orbits around the Sun and how a proper understanding of this heliocentric model...

Asteroid 2012 DA14 spans half a football field, and will whiz by the Earth a mere 17,000 miles above us--closer than many satellites.