After several weeks of not being seen, comet 3I/Atlas is visible again in the sky. But when scientists looked at it, they noticed something different — the comet no longer has its bright glowing tail.

The rare interstellar comet 3I/ATLAS that became a celestial celebrity has once again captured the attention of astronomers and space enthusiasts after reappearing from behind the Sun, this time, ...

Comet 3I/ATLAS is just the third observed interstellar object ever witnessed in Earth's solar system. The Gemini South telescope in Chile is the latest observatory to get a glimpse of the object as it ...

This week, astronomers here on Earth, as well as a collection of NASA spacecraft, are treating us to amazing new views of alien comet 3I/ATLAS. The latest interstellar visitor to swing through our ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Qicheng Zhang used the ...

A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet 3I/ATLAS was captured on Aug. 27 using one of the telescopes at the ...

An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

Editor’s note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. (CNN) — The Hubble Space Telescope and ...

Amateur astronomers across Europe have reported similar sightings. Michael Jaeger of Austria, who has been tracking 3I/ATLAS since Nov. 4, captured a spray of four or five plumes. "We have something ...

The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the object nears its closest approach to Earth later this month. Comet 3I/ATLAS has ...