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

What are the processes necessary to do so? Can life travel from one planet to another? If so, how? Today's technology brings ...

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

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

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

Left to Right: Steven Yeun in "Nope," the alien in Steven Spielberg's "E.T." and Scarlett Johansson in "Under the Skin" (Universal Pictures / A24) It didn’t take long for stories about ...

In an experiment to see if AI can detect and even confirm alien life, the answer is a resounding yes. The rest of this ...

Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

Bored humans invented a cat IQ test, but it backfired and gave 90% of us pure anxiety instead! While our genius kitties aced it without a care in the world, it turns out we’re just too obsessed with ...

This consciousness begins in Israel and radiates outward. It demands sweat, blood, tears of sorrow and tears of joy. The arena of our mission is not Mars, but the broken places of Earth: Africa, Asia ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Teetering near endangered status, the starlet sea anemone produces “an ancient mechanism” for fighting viruses that ...