Asteroids

International Asteroid Day is an annual celebration that is marked on June 30 across the…

NEOMIR is an asteroid-spotter that will be in orbit, located at the first Lagrange point between…

Neptune is famously a vivid blue, but the asteroids orbiting near it are decidedly not. An international team of…

Roughly five months after intentionally crashing a rocket into a distant asteroid, NASA has some good news: The…

When a baseball pitcher throws a fastball, the speed pops up on the jumbotron thanks to radar. The technology is…

Ten years ago today, as the sun rose over Chelyabinsk, Russia, the sky exploded. On February 15, 2013, an asteroid…

Some 66 million years ago, a 6-mile-wide asteroid crashed into Earth near what today is Mexico’s…

Rubble pile asteroid Itokawa. Image: JAXARubble pile asteroids are more common and durable than previously thought,…

The world’s biggest digital camera is finally coming into focus. While a very powerful personal camera might have…

The Double Asteroid Redirect Test (DART) is an experimental mission that was launched in November…