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

Scientists say studying objects like Ammonite, despite their immense distance, offers valuable insight into the solar ...

I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star.

Astronomers are tracking a rare interstellar object traveling at record speeds and passing unusually close to multiple ...

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

In 2017, astronomers spotted something shocking: an object that didn’t originate in our solar system, racing through at ...

Comet 3I/ATLAS, only the third interstellar object ever observed, is making its final pass through our skies, offering a rare ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

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

A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth.

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 ...