Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

ESA's advanced XMM-Newton telescope discovered a faint X-ray glow from the 3I/ATLAS comet. What is this mysterious light it ...

How do you study the invisible?” This was the challenge the scientists at the ESA faced during the early days of December ...

At perigee – that's the closest point in its trajectory to Earth – 3I/ATLAS will be around 270 million kilometers (168 ...

Interstellar object 3I/ATLAS nears Earth with a bizarre 'anti-tail' and 14 anomalies. Is it a comet or alien tech?

A giant, 250,000-mile X-ray cloud has been found around the interstellar comet 3I/ATLAS, baffling experts. Discover why this 'alien' cosmic halo is challenging all known physics and what it means for ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

A glowing streak 400,000 kilometers long has emerged from an alien object passing through our solar system—an interstellar ...

A ship carrying nearly 40 scientists will spend a month doing research at the edge of the Antarctic ice. There are goals but no guarantees, and plenty of perils.

By chance, NASA Europa Clipper captured interstellar comet 3I/ATLAS in ultraviolet light as it sped past Earth, revealing hidden gases and offering a rare preview before its Jupiter encounter ahead.

It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from ...

NASA mentioned that the Interstellar Comet 3I/ATLAS has been approaching from the general direction of the constellation ...