See asteroid Dimorphous, pre- and post-impact, in this time-lapse of Hubble Space Telescope imagery. The space rock was ...

When an asteroid threatens Earth, astronomers use a rating called the Torino scale to communicate the risk. Richard Binzel, ...

Roughly 4.3 billion years ago, a massive asteroid slammed into the far side of the moon, carving out the South Pole–Aitken ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities. Alamosaurus was one of the last dinosaurs from ...

The interstellar comet 3I/Atlas reached its closest point to the sun. Here's how to follow the rest of its journey away from ...