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

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

What do you call an organism with no evolutionary ancestors? SpudCell, apparently ...

The human-made cells show many hallmarks of life, but they can't make all their necessary internal structures or divide for ...

Organs, arms, appendages, and other complex tissues usually decay rapidly when they’re separated from their host. Over the years, biologists have seen some success with keeping them alive outside of ...

The video investigates the Karahora Shaft, a mysterious cave-like formation in the Caucasus Mountains that some claim looks too engineered to be natural. After Russian speleologist Arthur Zimikov ...

A quiet Air Force posting in the Nevada desert turns into something far darker when a soldier stumbles into a presence he can’t explain. He describes pale, towering beings with white hair and silver ...

When director Ridley Scott introduced audiences to the Nostromo in 1979’s Alien, he created one of the most enduring horror and sci-fi franchises by merging the cold isolation of deep space with the ...

Since Viking 1 landed in 1976, humans have studied Mars from afar, relying on rovers and orbiters to analyze the planet. But with NASA planning a human mission as early as the 2030s, that will soon ...

On October 19, 2017, a Canadian astronomer named Robert Weryk was reviewing images captured by a telescope known as Pan-STARRS1 when he noticed something strange. The telescope is situated atop ...

A new study is proposing the idea that life on other worlds may not look like life as we know it. A research team dug into a type of reaction known as autocatalysis—a self-perpetuating reaction—long ...