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

The Linac Coherent Light Source in California has been firing record-breaking X-ray pulses for years, but now it’s due for a ...

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

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

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

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.

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

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

Traditionally, X-ray methods require at least 10,000 atoms to generate a detectable signal. This is because the X-ray signal ...

NASA data reveals the truth about interstellar object 3I/ATLAS as it reaches its closest approach to Earth this Friday.

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

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