We’ve discovered thousands of exoplanets — but not a single confirmed exomoon. That doesn’t mean they aren’t out there. In fact, moons may be even more common than planets — and in some cases, even ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

Donald Trump’s pledge to release official files relating to UFOs has intrigued conspiracy theorists who suspect the US government has hidden evidence of alien activity on Earth.

NASA has given a hilarious response to President Trump following his demand for UFO files - and it dashes hopes of an ...

From a James Norton drama to a series from the creators of Game of Thrones, these are the sci-fi series to binge now.

A team of U.S. and U.K. researchers has outlined a new way to detectalien moons by tracking subtle flashes of reflected light during lunar eclipses in distant planetary systems. The method, designed ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

Fresh observations from the James Webb Space Telescope show how vivid auroras surge through Uranus’s tilted magnetic field ...

Re-watch all eight episodes of Invincible Season 3 before the fourth season begins streaming on Prime Video from March 18, ...

How Fast Will A.I. Agents Rip Through the Economy? transcript The thing about covering A.I. over the past few years is it ...