As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

In late November 2025, astronomers captured an unprecedented cosmic signature: the first X-ray emissions ever detected from ...

Hawaii’s Gemini North telescope has captured new images of interstellar comet 3I/ATLAS with a green glow as it remerges from ...

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

Astronomers have found what could become the first target for a crucial test of NASA’s upcoming Nancy Grace Roman Space Telescope, a soon-to-launch observatory that serves as a pathfinder mission for ...

WASHINGTON — NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a comet probably even older than our solar system, as space agency ...

Nov. 20 (UPI) --NASA released images of the interstellar comet 3I/ATLAS flying past Mars and, based on the agency's observations, scientists expressed doubt that it is an alien spaceship. Space ...

NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of speculation — and a full-blown online debate — over whether it could be an alien ...

NASA's highly anticipated comet 3I/ATLAS images have been released, with a space agency official shooting down alien rumors and stressing that the interstellar visitor is a comet. When you purchase ...