NASA says asteroid 2024 YR4, the size of a 10-story building, now has a chance of crashing into the moon. At the start of the ...

The city-killer asteroid's Moon impact risk has almost more than doubled, according to new NASA reports. Here's what we know.

Small fossils show mammals moved to the ground before the dinosaurs vanished. New plants changed habitats, giving better food ...

A massive asteroid, 2024 YR4, initially estimated at 40 meters in diameter, is actually 60 meters wide, posing a more ...

A “city-killer” space rock headed for a potential collision with the Moon likely originated in the asteroid belt near Jupiter, a region not known to produce Earth -crossing asteroids, according to a ...

A “city-killer” asteroid previously thought to be on a collision course with the Earth could smash into the Moon instead, new ...

This observation triggered a fervid series of observations of the object — possibly as big as a football field — to determine ...

An asteroid known as 2024 YR4 won't be crashing into Earth, but the James Webb Space Telescope went to get a look at it ...

The huge "city-killer" asteroid scientists feared would hit Earth may now smash into the Moon instead, according to experts.

The James Webb Space Telescope has taken its first look at the near-Earth asteroid 2024 YR4 before a perilous close approach ...

Dinosaurs could have been roaming Earth today if it wasn't for the asteroid, says a new study, as it suggests their existence wasn't threatened before the disaster.

While the asteroid is no longer considered a significant threat to Earth, new calculations suggest a small but notable chance of a lunar impact, according to observations from the James Webb Space ...