Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets ...

Scientists studying distant exoplanets believe that plant life on some worlds could appear red rather than green. The reason lies in the type of light emitted by the host star and how organisms evolve ...

This is the definitive ranking of the best alien invasion movies of all time. In between those bookends, Lifeforce is one of the wildest, most unique, most incredible science fiction movies almost ...

Uri Geller claims aliens are testing Earth's systems after 10,000 US flights disrupted and increased UFO sightings near ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

"Stargate SG-1" became a sci-fi fan favorite, resulting in one of the longest-running genre series ever. We've picked five of ...

Many science fiction movies from the 1970s became iconic in the years that followed, but several great sci-fi flicks from ...

President Trump delivered the first State of the Union address of his second term on Tuesday to a joint session of Congress.

From waterfalls that seem to disappear into nowhere to blood-colored water, these places are shrouded in mystery—even if science can explain most of them.

Pixar is back in theaters again with sci-fi comedy "Hoppers." We rank all 30 of the Disney studio's animated movies, from "Toy Story" to "Cars." ...

President Trump said he's directing the Pentagon and other federal agencies to identify and release files related to UFOs and extraterrestrial life.