The curious minds at What If explore what would happen if you mated with an alien.

Star Trek creator Gene Roddenberry used Leonard Nimoy's Spock as a way to express one of the franchise's core ideas without ...

That little alien emoji staring back from your phone, with its smooth, bulbous head and almond-shaped black eyes, has ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

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

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 ...

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

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.