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

As the collapsed core of a massive star, a neutron star is a small but incredibly dense object, packing up to three times the ...

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 ...