Early Earth lacked life’s essentials until a collision with Theia added them. This chance event made life possible. After the ...

This theory was the brainchild of Francis Crick (yes, the one who helped identify DNA) and Leslie Orgel, the originator of ...

The question of how life appeared on Earth has intrigued generations. Some researchers are now putting forward an unexpected ...

All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA—and it likely lived on Earth only 400 million years after its formation.

That raises the possibility that the TRAPPIST-1e exoplanet could also have liquid water and therefore support life.

If there’s one of these planets that could potentially sustain liquid water on the surface, it’s probably that one.” ...

A rock collected by NASA’s Perseverance rover may hold the strongest evidence of life beyond Earth ever found, officials said ...

Moving ice on early Earth exposed deep rocks, freed key elements, and nudged our planet toward conditions where complex life ...

One of the most mind-blowing recent scientific developments is the repeated detection of something called dimethyl sulfide (DMS) on a faraway exoplanet called K2-18b. DMS is a gas that, on Earth, is ...

NASA has responded to speculation that mysterious interstellar object 3I/ATLAS is actually an alien starship preparing to invade Earth.

Research led by NASA suggests a habitable past on Mars based on the discovery of minerals in Martian rocks associated with ...

Has NASA's Perseverance rover at long last found evidence that life did indeed once exist on Mars? Here's what we know.