NASA has now confirmed that 3I/ATLAS is not just another visitor from deep space but the largest interstellar comet ever measured, a frozen fragment of another star system sweeping through our own.

Astronomers have observedunexpected activity in C/2014 UN271, the largest comet ever detected from the Oort Cloud, while it remains over a billion miles from the Sun. Using the ALMA radio telescope, ...

A giant comet, likely the largest comet discovered in modern times, is on its way toward the sun. Scientists caught sight of the comet early, giving researchers years to watch it evolve and streak ...

We've only known about its existence for a few short weeks, and already astronomers have been able to learn a lot about the mysterious interstellar comet 3I/ATLAS. The object was detected on 1 July ...

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

According to the Harvard scientist, Avi Loeb, the comet, 31/ATLAS, may very well be a serial killer, but this seems to be ...