Comet 3I/ATLAS, coming from another stellar system, could be between 10 and 12 billion years old. If this estimate is ...

You've got time to wave goodbye to our interstellar visitor.

New evidence suggests that the famous interstellar traveler may be so old that its home system no longer exists.

Benevolent interloper or interstellar poison pill? With 3I/ATLAS set to fly by Earth in two weeks, Harvard professor Avi Loeb is debating whether our interstellar visitor is friend or foe — an answer ...

ESA's Juice mission captured incredible data from comet 3I/ATLAS as it passed near the Sun, revealing new clues about its ...

An interstellar comet named 3I/ATLAS, originating from outside our solar system, is passing through. NASA recently released new images of the comet, which is being studied by astronomers worldwide.

Add Yahoo as a preferred source to see more of our stories on Google. The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet as it ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...

A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro Pachón in Chile, one half of the International Gemini Observatory and ...

Could these be signs of artificial 3I-ntelligence? With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not. NASA has staunchly maintained ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A deep image of interstellar Comet 3I/ATLAS captured by the ...