The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

A11pl3Z's eccentricity is now estimated to be near 6.0, the highest seen yet, confirming its hyperbolic orbit.

Meteorite NWA 16788 is the largest known piece of Mars on Earth, weighing 54 pounds (24.67 kg). Discovered on November 16, ...

The 54 pound chunk from Mars was found in the Sahara Desert in 2023 and could set a record when it appears at auction this ...