Scientists who once rolled their eyes at flying saucer stories are now treating strange things in the sky as a serious research problem, not a punchline. Across government, academia and private ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

A mysterious photo making the rounds on social media claims to show a massive 1,000-foot-wide UFO hovering over the American Southwest. Shared by UFO disclosure activists, the image has quickly gone ...