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

Some sci-fi movies get even better with time, offering mind-blowing spectacle or new storytelling layers with each rewatch.

Consciousness could be a fundamental part of reality, like gravity or matter, according to this controversial theory.

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

Astronomers are using China's powerful FAST radio telescope to chase after 100 intriguing signals detected by the SETI@home ...

After reviewing almost 30 years of signals, University of California Berkeley researchers have identified 100 mysterious, ...

From Borg battles to impossible moral choices, these are the 'Star Trek' episodes that define the hit sci-fi franchise.

The search for extraterrestrial life in this vast universe needs all hands on deck. A crowd-sourced project from UC Berkeley ...