A White House science advisor recently war-gamed with space agency heads worldwide to devise a planet-saving defense to an ...

YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

Another plane-sized space rock, known as the "2025 DY5" and measuring about 92 feet across, will zip past our planet this ...

This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

February, headlines around the world buzzed about the potential for an asteroid to hit the Earth in 2023—specifically, ...

One exciting project currently happening is NASA’s Lucy mission, which is on a quest to learn more about asteroids orbiting near Jupiter known as Trojans. These asteroids are thought to be ancient ...

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

In short, asteroid 2024 YR4 went from breaking records for known threatening asteroids to being a near-zero threat. At some ...

A UVA professor is part of the study of Trojan asteroids, presumed remnants of the early solar system that share Jupiter’s ...

A privately built spacecraft is tumbling aimlessly in deep space, with little hope of being able to contact its home planet.

The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.

Astronomers believe thousands of large undiscovered asteroids, that could cause regional damage, may be in space.