An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

Interstellar object headed towards Mars, but poses no threat to Earth, says head of planetary defence at the ESA.

A mysterious cosmic traveler has found its way to the Solar System from the uncharted reaches of interstellar space. The rare ...

Astrophysicist Josep Trigo-Rodriguez, from the Institute of Space Sciences near Barcelona, Spain, believes it's an ...