Astronomers have discovered that 3I/ATLAS, the third known object to arrive from beyond the solar system, formed in an ...

UK astronomers have uncovered new clues about the origin of 3I/ATLAS—only the third known object from beyond the solar system ...

Add Yahoo as a preferred source to see more of our stories on Google. Hubble captured this image of the interstellar comet 3I/ATLAS on July 21, 2025, when the comet was 277 million miles from Earth.

Scientists at the SETI Institute recently searched for technological signals from 3I/ATLAS, the third interstellar object observed in our solar system. Using the Allen Telescope Array (ATA) at the Hat ...

Interstellar comet 3I/ATLAS contains exceptionally high levels of methanol, suggesting it formed under conditions very different from those that shaped most comets in our solar system. ALMA also ...

Add Yahoo as a preferred source to see more of our stories on Google. Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

A comet from another star system is due to make its closest—and final—approach to Earth this week before it continues on its journey back toward interstellar space. Interstellar Comet 3I/ATLAS will ...

The new Vera C. Rubin Observatory captured a video of Comet 3I/ATLAS zipping through space during its testing phase. Credit: RubinObs / NOIRLab / SLAC / NSF / DOE / X screenshot A new telescope built ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a very different structure than comets in the solar system. Hydroxyl compounds ...

The Gemini South telescope captured new images of the interstellar comet 3I/ATLAS, which will make its closest approach to Earth in October. Credit: International Gemini Observatory / NOIRLab / NSF / ...

Just as mysterious interstellar object 3I/ATLAS reemerged from behind the Sun last week, astronomers detected intriguing radio signals from it that give new clues about its chemical composition.