It isn’t easy to figure out how the Earth was built, because it happened 4½ billion years ago, and no one was there to watch. So scientists have had to look at what the Earth looks like now and at all ...

Tethered by high-strength cables, Analemma tower would hover above various locations, offering its residents unparalleled and ...

The NEO Surveyor mission is the first space telescope that'll be dedicated to locating asteroids that could threaten Earth, ...

NASA's Double Asteroid Redirection Test (DART) impacted the 'moonlet' Dimorphos in the Didymos asteroid system. The Les Makes observatory captured imagery of the impact from the French island of La ...

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to protect Earth from the threat of an asteroid impact. By smashing a ...

NASA has identified a massive asteroid, designated 2003 MH4, that is expected to make a close approach to Earth on May 24.