Earth is perfectly safe from a menacing asteroid known as 2024 YR4 that is big enough to level a city, but the moon? Not so ...

JF flew about 199,000 miles (320,000 km) away from Earth. It's estimated size is about 34 feet wide (10 meters), roughly the ...

Asteroid Apophis is one of the most talked-about near-Earth objects, known for its close flybys and the potential risk it poses to our planet. Discovered in 2004, this asteroid has captured the ...

An asteroid the size of a 10-story building could collide with the Moon in 2032 – and NASA just upped its impact odds again ...

Other federal science organizations haven't been spared, either — places like the National Oceanic and Atmospheric ...