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Scientists found a mysterious cosmic object that's between 10 and 100 times more powerful than all known supernovas. What could it be?

Astronomers have discovered Punctum, a bright new object in space that they haven't been able to categorize.

Massive interstellar object 3I/ATLAS, larger than Manhattan, shows unusual glow pattern and planetary alignment that Harvard physicist calls potentially technological.

The object could reach Earth in November or December, the paper says, but other experts say it's nonsense.

New Interstellar Object Comet 3I/ATLAS—What We Know So Far as It Zips through the Solar System All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar ...

3I/ATLAS is only the third interstellar object ever detected. You can stream the object live today, or maybe see it from your own telescope!

Astronomers are reporting the detection of a large object entering our solar system, and it is causing quite the stir in the scientific community.

Applause for A11pl3Z Astronomers may have found a third interstellar object The object has a very high eccentricity.

Astronomers say they're stunned by an unidentified object flashing strange signals from deep space. The object, named ASKAP J1832-0911, was detected by the Australian Square Kilometre Array ...

Researchers traced long, bright radio pulses, combined with X-rays, to an intriguing cosmic object 15,000 light-years from Earth, according to a new study.