Astronomers continue to track the mysterious interstellar visitor Comet 3I/ATLAS as it speeds through the solar system, using ...

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...

During comet 3I/ATLAS's closest approach to Earth, the Breakthrough Listen project attempted to search the interstellar ...

Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond our solar system. Researchers from Arizona State University's School of ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

The heavens have a habit of throwing us a curveball just when we think we have the cosmos figured out. The latest arrival, a ...

NBC News' Gadi Schwartz reports on "3I/ATLAS," a mysterious outer space object that is thought to be billions of years old, ...

The Vera C. Rubin Observatory is expected to detect up to 50 interstellar visitors in the coming years, giving a boost to astronomy ...

Avi Loeb discusses new radio observations, motion data, and size estimates for interstellar object 3I/ATLAS, outlining limits, uncertainties, and future observations ...

I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues ...

“The best estimates suggest Rubin should detect between 5 and 50 ISOs over its 10 year survey, stemming from the ...

At morning twilight on December 13, 2025 (Hawaii-Aleutian Standard Time, HAST), the Faint Object Camera and Spectrograph ...