A NASA astrophysicist argues alien civilizations may be out there—but too quiet or distant for us to detect. Here’s the new ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS ...

DiskSat 不是外星科技，而是能更好塞进火箭的卫星形态实验。 NASA 最近资助了一次演示任务，把 4 颗圆盘状卫星DiskSat 送上了近地轨道。 远看像飞碟，近看就是——把 CubeSat 拍扁了。 传统方案：CubeSat（立方体卫星） ...

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

A mysterious red jellyfish-like flashes, which were spotted in the sky, sparked rumours about aliens sending signals to our planet. People said that it “looked alien” as the flashes glowed brightly in ...

(KTLA) — 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 ...

He cited the astronomical gaffe in January, when The Minor Planet Center in Cambridge, Mass., announced the discovery of an asteroid zooming close to Earth — only to learn it was actually a Tesla ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.