A new study finds that Earth once had Saturn-like rings. The temporary structure likely consisted of debris from a broken-up asteroid.

There’s been widespread speculation that an asteroid, as large as the Himalayas, will collide with Earth on April 29, 2020, ...

A large asteroid will pass close to Earth in July 2025. NASA and ISRO are closely monitoring its trajectory. The asteroid, ...

Such a change would be more than enough to deflect a dangerous asteroid away from Earth, indicating that this strategy—the kinetic impactor technique—could save us if necessary. New research, however, ...

Measuring about 1,200 feet wide, 2005 VO5 belongs to the Aten group. These asteroids have orbits that frequently cross ...

In all, there are only 400 known Mars rocks on Earth, comprising less than 1% of all known space rocks on the Blue Planet.

Learn about two major asteroid impacts from 3.5 million years ago that may not have had lasting environmental effects.

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Paul Wiegert, a Western physics and astronomy professor, shares insights on asteroid 2024 YR4 and the likelihood it will hit Earth or the Moon.

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...