Superionic water—the hot, black and strangely conductive form of ice that exists in the center of distant planets—was ...

Comet 3I/ATLAS has arrived in the inner solar system behaving as if the usual rules of comet physics were optional. Instead ...

Deep space has just delivered a cosmic riddle that refuses to fit any familiar category. Astronomers using some of the most ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...