The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for ...

3I/ATLAS, an interstellar object currently zipping through the solar system, is capturing the attention of astronomers, the ...

While there is no reason to panic, please be aware that a visitor born near a star other than our Sun is currently passing through our Solar System. This alien visitor has been wandering through space ...

Astronomers have been racing to get a better look at 3I/ATLAS, a mysterious object screaming into our solar system from far beyond. Now, as the BBC reports, new observations by the Gemini South ...

It's much harder to find, but there are a lot more of them." The first interstellar object to visit the solar system may have ...

I Atlas is a newly discovered interstellar comet traveling through our solar system at a record breaking speed of about 209,000 km/h, making it the fastest of its kind ever observed. Unlike comets ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

But over the summer, 3I/ATLAS, has plunged toward the inner solar system—and the fireworks show has begun in earnest. When ...

For a telescope designed to create the largest movie of the night sky, one small comet shooting through our solar system is tiny in the grand scheme of cosmic moments to come, but it’s a sign of the ...

Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...