Could a passing star be on a collision course with our solar system and, eventually, Earth? It’s difficult to know if such an outcome is likely. Recently, researchers have found the Milky Way likely ...

Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation. Initially, the planet was barren and inhospitable, missing water and ...

A recent studypublished in Naturepresents compelling evidence of ancient planetary material buried deep within Earth’s mantle. Researchers have uncovered two massive dense structures beneath Africa ...