Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Dennis Mammana Stargazers We live in a world defined by inches, feet and miles (or centimeters, meters and kilometers, if you prefer), and it’s not difficult for most of us to comprehend sizes and ...

There's a new interstellar comet in the neighborhood! Known as 3I/ATLAS, this comet poses no threat to Earth – but it does ...

Comet 3I/ATLAS was discovered on July 1. “It came from outside our solar system and right now, it's inside the orbit of ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

In a major celestial discovery, NASA has located a new interstellar comet that’s currently located about 420 million miles ...

Astronomers Discover 'Cosmic Fossil' Galaxy That Remained 'Frozen in Time' for Billions of Years in Space Fossils are a great ...