In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Could the strange light fluctuations of Tabby's Star be evidence of a Type II civilization building a Dyson Sphere?

Alien megastructures built to harvest stellar energy or alter the orbits of stars may be physically feasible, according to a ...

For a long time, it was thought that this [technique] required telescopes in space,” says John Mather, the Nobel ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new "hot ...

After 54 years, humankind will finally return to the moon thanks to the upcoming April liftoff of NASA’s Artemis 2, which ...

The Pyramids of Giza might only be the tip of the iceberg. Italian researchers claim they might’ve found signs of a Sphinx located beneath the Pyramids of Giza, suggesting the existence of a sprawling ...

It doesn't happen often in an actor's career when he gets offered a role in two of the biggest sci-fi franchises — "Star Wars" and "Star Trek" — and decides to pass on both. Yaphet Kotto, who played ...

There are so many legendary members of Starfleet who have contributed to the "Star Trek" legacy. Two examples of this are Data (Brent Spiner) and Tasha Yar (Denise Crosby), who served under Captain ...

When Gene Roddenberry created Star Trek, he envisioned it as a bold utopian glimpse of the future as it could be. But every good franchise needs a villain, and Star Trek initially stumbled a little.