It came from outer space! In the early morning of June 30, 1908, people in the remote Tunguska region of Siberia beheld an ...

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.

The year 2028 will be the next opportunity to observe the asteroid as it returns to an observable distance for Earth-based ...

Once, a very long time ago, a massive asteroid hit the Earth and wiped out the dinosaurs. In addition to functionally ...

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

YR4 is between 40 and 90 meters in diameter, about the size of a large apartment block. The asteroid 2024 YR4, discovered in ...

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

A mission to survey the results of a deliberate crash between an asteroid and a NASA spacecraft has taken stunning images of ...

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

The Hera probe has swung around Mars, using the planet’s gravitational pull to fling itself toward its asteroid target. During its brief rendezvous with the Red Planet, Hera caught a glimpse of the ...

New observations of a small asteroid discovered in December have led astronomers to conclude that the chances of it striking ...

“Serpent Mound is the largest serpent effigy built anywhere on the planet Earth,” O’Grady said. “Serpent Mound is built up on ...