The sun’s light exerts a tiny force called “solar radiation pressure” on objects in space. Lightweight human-made debris, ...

The case of mistaken identity was quickly resolved, but astronomers say it shows the need for transparency around craft in ...

A near-Earth object was likely ejected into space after an impact thousands of years ago. Now it could contribute new ...

NASA's Pioneer 10 spacecraft beams its last data transmission back to Earth. Pioneer 10 was NASA's first mission to the outer ...

Typically, asteroids - like the one depicted in this artist's concept - originate from the main asteroid belt between the ...