For decades, cattle mutilations have baffled ranchers, scientists and investigators alike. The clean incisions, missing ...

The Roman Space Telescope's next generation coronagraph instrument will help deliver amazing views of exoplanets. Learn how ...

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could ...

Elon Musk claims he's an alien—and frustrated nobody believes him. Discover the billionaire's escalating extraterrestrial confessions, from Davos to his 3,000-year-old vampire reveal.

Explosive whistleblower claims say the US, Russia and China are locked in a secret UFO arms race involving recovered alien ...