A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

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

Astronomers have long sought evidence to explain why comets at the outskirts of our own solar system contain crystalline ...

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

From Voyager 1’s record-breaking journey into interstellar space to Uranus’s sideways spin creating decades-long seasons, the ...

Something strange is happening on the outskirts of our Solar System. It could be a large, mysterious planet. Or, it could be ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Comet C/2025 R3 (PanSTARRS) might be the brightest comet of the year, scientists predict.

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