Learn how a flip in Earth's magnetic field may have caused changes in the radiation on our planet.

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit. A new study shows that Earth formed under ...

Scientists explain how simple chemicals, deep sea vents, and meteor impacts may have helped life begin on Earth.

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. The exact sequence of events behind eukaryogenesis is ...

the Earth you walk on today might not be the same planet that was born 4.5 billion years ago. Many scientists believe that in its infancy, Earth collided with another world the size of Mars, and that ...

NASA’s supercomputer has issued a dire warning that Earth could soon become lifeless, sparking global concern about the future of humanity on our planet. In a related development, scientists have ...

Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...

Gravity, in the literal sense, keeps everyone (and everything) on Earth grounded. It acts as the anchor that prevents objects from floating skyward. For humans, it’s a leash that stops us from ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. We’ve pieced together a remarkably detailed timeline of ...

Space technology on Earth has gone from futuristic to foundational in our everyday lives. From satellite innovations that enable global communication to space science applications improving ...