Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

A new study using James Webb Space Telescope data reveals the strongest evidence yet of possible biological activity beyond ...

Did aliens influence mankind in ancient times? Yet another season for the show that has been saying "yes" since 2009 ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

For over two decades, millions volunteered their computers to help UC Berkeley scientists in their search for ...

For decades, astronomers have chased fleeting hints that something alive might be lurking beyond Earth, only to watch each ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

After two decades of quiet data processing on millions of crowd-sourced home computers, the SETI@home project has narrowed ...

Since its debut, "Star Trek" has introduced decades worth of new characters, locations, and alien races, but only a few disappeared from one day to the next.

A classified response from the CIA has reopened debate around 3I/ATLAS. NASA calls it a comet, but rising speculation ...

A major claim in the older media cycle was that NASA removed the book and related materials. Whatever happened during the original wave of reporting, the current reality is clear: NASA now provides an ...

Protests, denouncing Immigration and Customs Enforcement raids in U.S. cities, among other grievances, will be scattered ...