After crossing the boundary of the solar system, NASA’s Voyager 1 and 2 spacecraft began detecting changes scientists had ...

Eleven objects found at the extremities of the solar system could mark the location of a 'Kuiper Belt 2.' When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

On January 24, 1986, NASA's Voyager 2 spacecraft flew by Uranus. This was the first time any spacecraft had ever visited ...

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

This cosmic visitor is now officially named 3I/ATLAS, and it appears to be a comet from another solar system. Reading time 3 minutes Update: July 3, 09:24 a.m. ET: On Wednesday, July 2, the ...

With 3.2 billion pixels and a decade-long search, the Rubin Observatory will reveal what’s been hiding in plain sight. Reading time 2 minutes A new observatory perched high in the Chilean Andes is ...

What can a newly discovered interstellar comet teach scientists about solar system formation and evolution? This is what a recent study presented at the National Astronomy Meeting 2025 hopes to ...