CNN’s Kaitlan Collins caught up with DJ Daniel, the 13-year-old cancer survivor honored by President Donald Trump during his ...

A privately built spacecraft is tumbling aimlessly in deep space, with little hope of being able to contact its home planet.

Lucy is preparing for a close encounter with the asteroid Donaldjohanson, a key milestone before its groundbreaking journey ...

The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about ...

Astronomers believe thousands of large undiscovered asteroids, that could cause regional damage, may be in space.

"The universe is filled with a range of three-body systems, including the closest stars to Earth, the Alpha Centauri star ...

A White House science advisor recently war-gamed with space agency heads worldwide to devise a planet-saving defense to an ...

In short, asteroid 2024 YR4 went from breaking records for known threatening asteroids to being a near-zero threat. At some ...

Countless asteroids in our solar system, some close, some far — but did you know that some of these space rocks have names?

NASA is tracking a bus-sized asteroid zipping past the Earth at nearly 16,000 miles per hour today. The asteroid, known as "2025 DM7," is estimated to be about 42 feet across and soared past our ...