Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Scientists recently detected something unusual entering our Solar System, sparking discussions about whether it is a comet or ...

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.

Every second, hypervelocity collisions may be blasting tiny flecks of Earth into space. Some of those grains, small enough to ...

You'll certainly be surprised to hear scientists response to claims made by Steven Spielberg about aliens being real. While ...

There is something almost offensive about a sky so full of stars and so empty of company. That is what gives Richard ...

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

However, despite the theories, a fresh radio search has turned up no sign that the object, now named 3I/ATLAS, is emitting ...

Astronomers studying the atmospheres of several intensely heated exoplanets uncovered an unexpected pattern that may reveal a ...

The United States government's recent release of hundreds of previously classified unidentified anomalous phenomena (UAPs) ...