Lightspeed travel is a popular concept in sci-fi and pop culture, but it's not a technology we are likely to see anytime soon ...

But the scope and depth of science fiction books have grown since those days into an impressive body of works from newer, ...

A new report from the Pentagon has revealed hundreds of new reports of unidentified aircraft and aerial phenomena, but no ...

In 1974, astronomers sent a call out into the cosmos from a massive telescope in Puerto Rico. The anniversary of the message brings reflections on a new missive to the stars and grief for a lost ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. If Earth’s ...

The review includes hundreds of cases of misidentified balloons, birds and satellites as well as some that defy easy ...

The journey hasn’t been easy. A new kind of disaster fiction is serving as scenario planning for real global crises. Call it the apocalyptic systems thriller.

In the 2016 science fiction movie Arrival, a linguist is faced with the daunting task of deciphering an alien language consisting of palindromic phrases, which read the same backwards as they do ...