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

A comet tail pointing toward the Sun sounds like a mistake-but that is exactly the geometry Comet 3I/ATLAS put on display as it swept through the inner solar system and began its exit path. The ...

Interstellar comet 3I/ATLAS stole our hearts in 2025. Discovered on July 1, and only the third known interstellar visitor, it ...

Blasting Most Of Its Water Directly Toward The Sun Juice's SWI instrument revealed that most water vapor was released from ...

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

Comet 3I/ATLAS is a visitor that will never call the solar system home. Identified on a one-way path that carries it in and back out of the Sun’s neighborhood, it offers a bright glimpse of material ...

The comet has been on our radars since the summer of 2025, when the Asteroid Terrestrial-impact Last Alert System (ATLAS) ...

As 3I/ATLAS passes near the sun, methanol gas glows blue, mixed with icy dust grains, while the far side of the comet glows orange with hydrogen cyanide in this artist's rendering. Credit: NSF / AUI / ...

Comet 3I/ATLAS has arrived in the inner solar system behaving as if the usual rules of comet physics were optional. Instead of trailing a neat plume of dust away from the Sun, it has grown a striking ...