Looking to stream some sci-fi? Here are three great science fiction movies you can watch for free on Tubi, all of which come highly recommended by critics.

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

The result is a thoroughly entertaining sci-fi odd-couple action-comedy that keenly balances the fresh and the familiar. The ...

Hooded Horse and Pavonis Interactive's grand strategy space game is out of early access now, and so far, it's a huge, ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Conspiracy theories have raged about 3I/ATLAS being an unnatural object. But the alien question, while fun, generates misinformation and distracts from the science. When you purchase through links on ...

Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn’t frightening enough. An outlandish study asserts that aliens might have abducted us ...

The Alien franchise has always focused on just one titular alien — the Xenomorph. Yes, over the years, we got extrapolations of the Xenomorph, like the Queen, and the facehuggers. Yet they all still ...

The mysterious phenomenon of UFOs or UAPs inevitably touches on matters of religion, spirituality, morality, and psychology, including our innate quest for meaning and, especially, on the perennial ...

The sci-fi comedy will end with the upcoming season 4 finale Christopher Rudolph is a contributing writer for PEOPLE. He previously covered entertainment at The Advocate, HuffPost, Logo News, MTV News ...