Comet 3I/ATLAS is one of only three interstellar objects ever detected in our solar system. Scientists are working to determine the comet's size and physical characteristics as it passes through our ...

The European Space Agency is making use of spacecraft designed for Mars and Jupiter missions to track interstellar comet 3I/ATLAS as it continues its journey through our solar system. First spotted in ...

(NewsNation) — The Harvard professor raising questions about the 3I/ATLAS comet passing through our solar system says the hurtling object is giving off chemical signals that do not appear to be ...

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 ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. The comet known as 3I/Atlas will hurtle within 18 million miles ...

NASA's Perseverance rover took this selfie in May 2025. The Navcam used to capture the apparent comet images is located just below the large white camera at the top of the mast. NASA/JPL-Caltech/MSSS ...

A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a scientist has detailed in a new report. Avi Loeb claims the comet could even be ...