For decades, astronomers have classified exoplanets into neat categories: rocky Earth-like planets, gas giants like Jupiter, ...

At a distance of 48 light-years in the constellation Ophiuchus lies the exoplanet GJ 1214 b, and its dense carbon dioxide atmosphere categorizes it beyond conventional planetary identification.

A super-Earth named GJ 1214 b is believed to be made entirely out of water: a water mantle over a water core. Another, named PSR J1719-1438 b, is believed to be made entirely out of crystal diamond.

Science. Earthquake in the field of quantum physics after the shape of electrons is revealed Science. New type of duck-billed dinosaur found in China opens door to future discoveries There is a ...