One of the brightest stars in the night sky will vanish as seen from North America and Europe in a rare event.

"You need so much water that we think these could be evidence of an ancient warmer and wetter climate where there was rain ...

The solar system’s most giant planet is slightly less of a giant than scientists once thought. Jupiter, a planet so huge it could hold 1,000 Earths, is 8 kilometers less wide at its equator and 24 ...

Astronomers have produced the most detailed map yet of dark matter, revealing the invisible framework that shaped the Universe long before stars and galaxies formed. Using powerful new observations ...