Scientists studying 3I Atlas detected strange and unexplained behavior that is beginning to raise serious questions among ...

Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before ...

Cropped image of NASA’s James Webb Space Telescope observation of comet 3I/ATLAS with its Near-Infrared Spectrograph ...

During last year’s brief visit from the comet 3I/ATLAS, astronomers got an extremely rare glimpse into the cosmos beyond our ...

Researchers say 3I/ATLAS could be 12 billion years old and has a composition unlike anything in our solar system.

Astronomers studying the interstellar comet 3I/ATLAS have found fresh evidence suggesting the object may be more than twice ...

3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized interstellar object could be an artificial alien craft. The images, captured ...

On the 1st of July 2025, the Asteroid Terrestrial-Impact Last Alert System (ATLAS) in Chile spotted a new comet entering our solar system. This comet was named 3I/ATLAS, as it's only the third ...

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion years old—about three times the age of the solar system ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

It’s doing a Sun run. Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest approach to the Sun on October 30. While ATLAS doesn’t ...

The pre-perihelion and post-perihelion observations of the interstellar interloper by Earth-based observatories and ...