China advances plans for dual solar system boundary missions China has published coordinated papers outlining dual missions ...

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

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

Interstellar comet 3I/ATLAS is now barreling away from the sun, never to return to the solar system. There's one more chance ...

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

Greetings stargazers. Everything we know about things outside of our solar system is from the light we receive. I am using ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

Only three objects have ever been confirmed to come from outside our Solar System. Each one behaved differently, and none of ...

Stargazers will in one week have a chance to spot Saturn and the moon sharing a section of the night sky in what's known as a ...

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

When interstellar visitor 3I/ATLAS exhibited some peculiar movements, speculation arose regarding potential alien origins.

The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - ...