Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

I/ATLAS's chemical composition, upcoming invisibility, and trajectory suggest to experts that it is alien technology, but ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

Water is the universal yardstick of comet science, the baseline for measuring how sunlight drives a comet's activity and ...

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...

Researchers have discovered that interstellar comet 3I/ATLAS has been shedding water, providing insights into the building ...

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets.

Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed 3I/ATLAS ...

NASA’s Swift telescope spotted signs of water on interstellar comet 3I/ATLAS - proof that water flows far beyond our solar ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

Harvard professor Avi Loeb discusses the first new images of 3I/ATLAS after it passed Mars. Early photos from international ...