The shiny objects—each roughly twice the size of a basketball—began to appear on July 3. Authorities initially worried that ...

NASA’s James Webb Space Telescope has detected a carbon-rich atmosphere on a tiny world orbiting a dead, rapidly spinning ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Explaining the passage of time has been a gnarly problem in physics basically forever, but physicist and computer scientist ...

The mysterious metal spheres that washed up on a beach in northern Queensland over the weekend are likely to be debris from a ...

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

Does anywhere in the country better represent this era of the American experiment than a self-governing tech-company town ...

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

George Clinton’s Legendary Mothership. The original mothership stage design debuted in 1976, coming on the heels of ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

President Donald Trump made a jaw dropping jibe when he was allegedly briefed on alien “hybrids” living among humans.

Ridley Scott's near-perfect sci-fi horror masterpiece is surging on streaming before the franchise's next release.