Today in the history of astronomy, power from a star is used to turn on the lights as the 1933 World’s Fair opens.

Ruby-red La Superba is a lovely variable star waiting for you to take a look in the northeastern sky this evening.

May 25 and 26, 1959, saw the first meeting of the Research Steering Committee on Manned Space Flight. The committee was also referred to as the Goett Committee, as it was chaired by Harry J. Goett. An ...

Lunar crater Endymion normally sits close to the northeastern limb. Tonight, libration has brought it into clearer view.

The smallest planet appears after sunset as the waxing Moon reaches First Quarter and star clusters shine in the sky this ...

A trio of planets stand in line in the evening sky after sunset: Jupiter, Venus, and Mercury, all visible in the twilit sky.

A dying star's glowing shell in Lyra offers a haunting preview of our solar system's fate — visible through a small telescope.

Main-belt asteroid Egeria is sliding past several stationary background stars tonight, offering a chance to catch its ...

Slicing through the Montes Alpes mountain range, Vallis Alpes is a favorite feature to view on the First Quarter Moon.

Poland, Nicolaus Copernicus was raised by his uncle, Bishop Lucas Watzenrode, who ensured he was well educated as he grew up.

The constellation Auriga (pronounced or-EYE-guh) the Charioteer, a star pattern known by this name for several thousand years ...