Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...

Developed by researchers at MIT, the method uses the atom’s own electrons as “messengers” within a molecule to help probe ...

MIT researchers have devised a new molecular technique that lets electrons probe inside atomic nuclei, replacing massive particle accelerators with a tabletop setup. By studying radium monofluoride, ...

Hidden deep in ancient rocks, scientists have found the surviving traces of Earth’s first form—unchanged for 4.5 billion ...

In a first, researchers have discovered fragments of Earth's precursor that contain distinctive chemical fingerprints in ...