A new model uncovers how Earth’s liquid core has sustained its magnetic field since the planet’s beginnings, offering new insights into its future. Earth benefits from the presence of a magnetic field ...

A nimal life is a recent addition to Earth, relatively speaking. The planet formed about 4.5 billion years ago, with ...

Researchers found “chemical fossils” in ancient rocks containing 30-carbon steranes, a stable form of sterols present in the ...

You probably don’t need to be reminded why we and the beautiful state of Arizona are in trouble. But just in case you do feel you need a reminder, check out this video of Arizona State Sen. Sylvia ...