Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

Astronomers are studying 3I/ATLAS, a rare interstellar comet nearing the Sun. Despite viral claims calling it an 'alien ...

CHICAGO (WLS) -- "Understanding the Universe" is a new ABC 7 Eyewitness News streaming show series. Adler Planetarium Astrophysicist Michael Zevin stopped by the studio to help us better understand ...

Dementia is one source of confusion. But as the April 8 total eclipse of the sun approaches and things astronomical come front and center, we’re at risk for another. It’s an expanse so expansive that ...

Renowned physicist Michio Kaku predicts astronomers may soon determine if interstellar object 3I/ATLAS is natural or ...

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

There's something big missing from our solar system — and that may be a good thing. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Planetary ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

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

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside our Sun and planets around 4.5 billion years ago. But every now and then, ...