But real lightning would have struck infrequently—and mostly in open ocean, where organic compounds would have quickly ...

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

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth.

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using ...

You’re guilty. That guilt, that shame — that’s my home, Red. And I can see it on you. I can smell it on you. It’s all over ...