It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have been six to nine miles in length. On the other hand, on Feb. 15, 2013, an ...

REx mission has an historic opportunity to closely observe the asteroid Apophis and improve our ability to defend against ...

Asteroid 2024 YR4 has become a staple in science news columns. This space rock has a fluctuating but small chance to hit our planet around 12 pm UTC on December 22, 2032. This chance will likely drop ...

Here's how scientists deflect asteroids after experts reveal exact locations where 'city destroyer' could hit.