Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously unknown world may be lurking in the outer reaches of the solar system. The ...

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...