On July 1st, 2025, the third interstellar object (ISO) ever detected was seen making its way through our solar system.

"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a ...

Researchers investigated GRB 250702B and found that it was possibly a jet produced by a blast 8 billion light-years away from ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...