It was "full-on erupting" during its flyby of the Sun. The post 3I/ATLAS Spraying Material as It Exits the Solar System ...
A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, ...
Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.
In 2017, something entered our solar system that wasn’t supposed to exist. It moved too fast, accelerated when it should have ...
NASA's infrared telescope SPHEREx captured stunning images of interstellar comet 3I/ATLAS as it exited the solar system.
Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet's mysterious interior, ...
When I was a kid, the solar system was simple. There were nine planets and they all orbited in more-or-less circles around the sun. This same sun-and-a-handful-of-planets scheme repeated itself again ...
The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the ...