Confirmed as an alien comet, new observations have given us a much better idea of how large this interstellar object actually ...

Scientists propose that NASA's Juno probe could intercept the recently discovered interstellar comet, 3I/ATLAS, providing a close examination of this enigmatic celestial object.

The most striking science photos of the week: including the Perseid meteor shower and glowing underwater wonders.

Chadderton-born Professor Brian Cox has spoken out about claims that an interstellar object could be an alien spacecraft ...