Titan spent decades hiding beneath an impenetrable orange atmosphere until spacecraft finally revealed what was underneath.

Tomorrow morning, if all goes to plan, NASA’s Nancy Grace Roman Space Telescope, its latest and greatest orbital observatory, will lift off from its launchpad and add a little rocket-booster light to ...

If ancient alien explorers ever traipsed through Earth's cosmic neighborhood, could it be possible they left behind some interstellar litter on the moon?

An alien weapon has been found on Mars, according to a top UFO researcher. RadarOnline.com can reveal an image taken by NASA's Curiosity rover shows a long, narrow formation protruding from rocky ...

Two major alien-life announcements in 2025 generated enormous excitement, but most astrobiologists remained unconvinced. Only 6.6% of surveyed experts thought possible biological molecules on K2-18b ...

Add Yahoo as a preferred source to see more of our stories on Google. PASADENA, California — NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in ...

NASA chief Jared Isaacman has said the US space agency holds images of objects it cannot explain, but he stopped short of calling them proof of alien life when he spoke on the Jack Gordon Podcast on ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Announcing the release, President Donald Trump said he had directed ...

Researchers question whether AI software is ready to be integrated into life-detection systems on spacecraft and other extraterrestrial explorers.. Credit: NASA / JPL-Caltech / MSSS If a chatbot can ...