Comet MAPS could soon become as bright as Venus, offering a once-in-a-decade spectacle for the naked eye. Here is what to ...

If you haven't ventured out and looked up at the skies over the last week at night — or really all of 2024 — you're missing out on quite the show. First, there were the northern lights that danced and ...

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a reddish tint to a faint green glow. That visible change signals the comet ...

NASA's Hubble Space Telescope has captured a rare cosmic moment: a comet breaking apart in real time.

“Observing 3I/ATLAS is like taking a fingerprint from another solar system,” explained Nathan Roth, an astronomer at American ...