An interstellar comet spotted by NASA is headed for our solar system, showing up near Earth later this year, but it's another ...

Humans could come into contact with aliens in around 110 days – according to one Harvard professor, who has been closely ...

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

On Episode 173 of This Week In Space, Rod Pyle and and Tariq Malik look back at the week in space news.