A11pI3Z is only the third interstellar visitor to be discovered, and astronomers can’t say yet whether it is a comet or a ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

An asteroid believed to be up to 700metres wide will pass relatively close to Earth within days, and is being tracked by NASA ...

The collapse of tropical forests during Earth's most catastrophic extinction event was the primary cause of the prolonged ...