A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

NASA is monitoring an asteroid that is hurtling toward Earth at about 22,000 miles per hour, according to the Center for Near Earth Object Studies (CNEOS). The space rock known as "2026 CC" measures ...

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's Double Asteroid Redirection Test (DART) impacted the 'moonlet' Dimorphos in the Didymos asteroid system. Watch the final moments of the spacecraft's existence and reaction from the team at John ...

"This confirms that life's building blocks can be formed in a diversity of environments throughout the universe." When you purchase through links on our site, we may earn an affiliate commission. Here ...

NASA is currently tracking a car-sized asteroid set to zip past the Earth tomorrow, February 17, at a whopping 12,616 miles per hour. The space rock, 2026 CR2, is estimated to be about 9.7 feet across ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

(CNN) — A SpaceX capsule carrying four astronauts has launched on its way to the International Space Station, beginning a journey that will bring the orbiting laboratory back to full staff after a ...