A mysterious object speeding across the universe might look like a UFO, but the real story is even more fascinating.

The search for extraterrestrial intelligence may face an unexpected obstacle due to the influence of mother stars that ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

Valley’s role | Compete respectfully | Stunted potential. Mercury News reader letters to the editor for June 17, 2026.

A new SETI study suggests we may be overlooking alien signals not because they aren't there, but because their own stars are scrambling them before they escape into space. Turbulent plasma and ...

Could it be that humans are to blame for aliens staying away from Planet Earth? The International Academy of Astronautics has ...

Using the Keck Observatory, astronomers measured the spins of dozens of giant planets and brown dwarfs orbiting distant stars ...

New entertainment options are arriving this week, including the streaming debut of “Project Hail Mary.” This sci-fi adventure ...

The HBO docuseries explores Frederick von Mierers's cult, Eternal Values, which captivated 1980s Manhattan's elite with ...

Having invented the modern summer blockbuster with Jaws more than 50 years ago, Steven Spielberg has never left the public ...

The winds on seven hellish alien worlds are moving in the wrong direction. That strange anomaly just cracked open one of ...

Steven Spielberg's 'Disclosure Day' beams into the box office while Olivia Rodrigo sings about love making us crazy. Here's ...