Quite a bit of movie magic made "Alien" the sci-fi horror classic it is -- but one of its biggest challenges was solved with ...

Chris Pratt's sci-fi hit The Tomorrow War, co-starring J.K. Simmons, is a surprise streaming success in the U.S. Here's what ...

This series is still uncannily relevant in today's era of government distrust, alien existence, and the push and pull between believers and skeptics.

Robert Patrick is best known for playing the T-1000 in "Terminator 2: Judgment Day," but he was also in a sci-fi flick with a ...

Hungarian biologist Tibor Gánti is an obscure figure. Now, more than a decade after his death, his ideas about how life began ...

Prototaxites are something of a prehistoric mystery. They were the first giant organisms on land, towering over ancient ...

In 1967, astronomers thought they had finally heard from the neighbors. They intercepted a signal so regular and precise it ...

Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent ...

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

Scientists from the California Academy of Sciences described 72 new species last year, from elegant birds to strange sea ...

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, ...