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.

James Webb has revealed that the sunrise and sunset sides of WASP-121 b have surprisingly different atmospheres.

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 ...

Steven Spielberg's sci-fi conspiracy thriller Disclosure Day opened to $44 million domestically and $92.9 million globally across 73 international markets this weekend, setting a new record for the ...

Do not shout ‘alien!’” Amid surge of public interest in UFOs or UAP, one group updated its rules for how news of ...

For generations, the search for life beyond Earth has focused on avoiding one of science’s biggest mistakes: claiming a ...

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

It’s true! Spielberg didn’t come up with the title out of thin air — Disclosure Day is a real thing that organizations like ...

NASA's James Webb Space Telescope has resolved, for the first time, the morning and evening atmospheric edges of the same ...

In Steven Spielberg’s Disclosure Day, opening tomorrow, protagonists race across the globe to expose a decades-long government cover-up and reveal to the world that extraterrestrial life is real. It’s ...