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 ...

NASA's OSIRIS-REx mission has an historic opportunity to closely observe the asteroid Apophis and improve our ability to defend against future asteroid threats, but government budget cuts are ...

The Tarantula Nebula, also known as 30 Doradus, is revealed in an unusual light in this exceptionally deep Chandra X-ray ...

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

Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes ...

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

A nearly 98 percent chance it won’t hit us is pretty good. Second, while that’s definitely a massive rock, it’s not like a ...

NASA’s NEO Surveyor has passed its critical design review, clearing the way for construction and testing. This infrared ...

The space rock is heading in our direction at some 18,700 miles per hour, according to the space agency's data.

The $10 billion orbiting observatory will give astronomers a better sense of the near-Earth asteroid 2024 YR4's size and ...

This week, explore what lurks in asteroid dust, marvel at the world’s largest beaded burial, discover an elusive creature ...