I/ATLAS is back in the viral headlines, as it was for a fleeting moment in late 2025 and early 2026, when humanity's gaze ...

Astronomers are tracking a visitor called 3I/ATLAS, the third confirmed interstellar object ever observed. The two previous instances were 1I/’Oumuamua in 2017 and 2I/Borisov in 2019. 3I/ATLAS is ...

About 4.6 billion years ago, our corner of space was basically just a boring cloud of gas and dust floating around, and then something amazing happened that turned this mess into the planets, moons, ...

Add Yahoo as a preferred source to see more of our stories on Google. A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around ...

Should we be concerned? According to Neil deGrasse Tyson, folks are buzzing about a “possible alien flyby in the next six to seven weeks” thanks to a massive celestial object exhibiting unusual ...

Add Yahoo as a preferred source to see more of our stories on Google. The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...