From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

The search for intelligent life in our galaxy is shifting from abstract speculation to detailed cartography, as researchers try to sketch where alien societies might arise, thrive and vanish inside ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

(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 ...

NASA reveals high-resolution images of interstellar comet 3I/ATLAS after the US shutdown. Is it alien tech? Associate ...

Did NASA hide real images of 3I/Atlas after its Mars flyby? A viral theory claims alien links as a spacecraft falls silent, but science tells a different story.

NASA insists that 3I/ATLAS is a comet that is traveling faster than any other object in the solar system. 3I/ATLAS, an interstellar object, was observed by NASA in July 2025. Some scientists, like Avi ...

NASA has released new images of the interstellar comet 3I/ATLAS, captured by various ground and space telescopes. Officials also dismissed conspiracy theories that the comet could be extraterrestrial ...