From tidally-locked deserts to planet-wide oceans, this tour hops between six imagined worlds, each built around the actual ...

Strikingly similar accounts of alien encounters are often rooted in the brain's ability to generate vivid, real-feeling ...

Star Trek can usually make rubber forehead aliens not just cool, but turn them into pop culture icons. Their five worst ...

The curious minds at What If explore what would happen if aliens came to Earth a million years in the future.

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

From tiny squirrels and sluggish tortoises to giant elephants and agile cheetahs, one thing unites virtually all animals: the need to sleep. One of the theories for the need to sleep suggests that it ...

Are aliens real? Was Fox Mulder right all along? We examine the prediction markets to gauge if the U.S. government will confirm that aliens exist before January 2029. The prediction market on a U.S.

Astrophysicist Neil deGrasse Tyson is calling on the government to just "show the alien," arguing that after years of whistleblower hearings and Pentagon file dumps, the American public is ready to ...

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If there’s one thing people know about sleep, it’s that in our distracted, binge-watching, lightbulb-bright modern world, we are doing it badly. Probably worse than at any time in human history. In a ...