Some astronomers have made it their life’s work to find “Earth 2.0,” a rocky planet orbiting a star just like our own Sun. It ...

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

Ridley Scott's iconic sci-fi horror movie "Alien" was released in the United States on May 25, 1979, meaning it turns 47 this year.

Interstellar, Alien, and Back to the Future are all among the all-time greatest sci-fi movies that deliver everything you ...

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 ...

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.

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

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

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

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...