The Shenlong, or "divine dragon," space plane just deployed a mysterious payload above our planet. The top-secret spacecraft, ...

A mysterious new object has appeared in orbit, and evidence suggests it came from one of China’s most secretive spacecraft.

A massive asteroid described as roughly a '4 Empire State Buildings wide' object will make its closest approach to Earth this ...

A large asteroid will safely pass Earth on Saturday, offering astronomers and amateur skywatchers an uncommon opportunity to ...

Our solar system is a celestial shooting gallery, chock-full of flying projectiles that one day could threaten Earth—so what ...

The NASA project NEOWISE, which has given astronomers a detailed view of near-Earth objects—some of which could strike the Earth—ended its mission and burned on reentering the atmosphere after over a ...

Asteroid 2026 LV, measuring about 47 feet across, will make a close approach to Earth on June 16, 2026. Scientists say the ...

A telescope built to protect Earth from asteroids accidentally discovered 3I/ATLAS, only the third interstellar object ever ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

We know of three interstellar objects (ISO) that have visited our inner solar system. Oumuamua was the first one, and it came and went in 2017. 2l/Borisov, an interstellar comet, was next, appearing ...

NASA’s Jet Propulsion Laboratory is introducing a new Web site that will provide a centralized resource for information on near-Earth objects – those asteroids and comets that can approach Earth. The ...