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

Lucy is preparing for a close encounter with the asteroid Donaldjohanson, a key milestone before its groundbreaking journey ...

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 that 14,000 undiscovered near-Earth objects like asteroids, large enough to cause damage, could be in space. Recently, NASA was tracking a large asteroid flying past Earth ...

XR flew about 1.37 million miles (2.2M km) away from Earth. The space rock is estimated to be about 300-700 km (248-434 miles ...

The dinosaurs, of course, could do nothing about the killer asteroid, other than presumably waving their tiny arms at the oncoming doom. But if they did have a space program — and yes ...

Last week, Asteroid 2024 YR4 had a 3.1% chance of hitting Earth in 2032, but the numbers go up and down every day, according to the Center for Near Earth Object Studies. On Monday, March 3, Space ...

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

Companies are landing on the moon—or trying to. These players all have exciting goals for innovation on the final frontier.