While previous studies say volcanic or atmospheric lightning may have triggered chemical reactions that created organic ...

Life could have the time and energy to arise and prosper on Earth-like worlds in the rapidly shrinking "Goldilocks zones" ...

Four billion years ago, Earth was a chaotic, lifeless world — a fiery hell with spewing volcanoes and meteorite impacts ...

The Miller-Urey hypothesis is based on a famous 1952 experiment in which researchers successfully formed these organic ...

Two nearby explosive massive star deaths, or supernovas, may have triggered mass extinction events in Earth's distant past, ...

Life on Earth had to begin somewhere, and scientists think that “somewhere” is LUCA—or the Last Universal Common Ancestor.

Although the movie’s participants refuse to disclose classified information, some of their statements elicited “audible gasps ...

Scientists are rethinking how to detect alien life by focusing on planets vastly different from Earth. Instead of searching ...

The chemical element sulfur is essential for all lifeforms and is a building block of proteins and amino acids. By studying sulfur-based molecules in space, scientists are working to understand the ...

Scientists say that in order for life to emerge, Earth needs organic compounds which include nitrogen and carbon. However, ...

Often seen as destructive, supermassive black holes could help sustain life under specific conditions, scientists have found.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Geologists have now unearthed ...