Jupiter joins Mercury in early twilight as Mars lingers with Leo after dark. Saturn is visible in the morning, meeting ...

A dam Riess was 27 years old when he began the work that earned him the Nobel Prize in Physics, and just 41 when he received ...

A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the ...

There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes.

This sparkling stunner brings astronomers one step closer to examining Cosmic Dawn, when the universe was just a few million ...

The best astronomy cameras open a window to the universe, revealing celestial wonders invisible to the naked eye. This buying ...