This famous four-star asterism marks the body of Pegasus the Winged horse and can help point the way to many fainter objects.

Astronomer and Pluto mission leader S. Alan Stern explores how the field has transformed during his decades-long career.

Saturn and Neptune reach opposition, looking their best for the year. Jupiter and Venus shine bright before dawn, as does the zodiacal light.

SpaceX Starship achieves its first payload deployment, overcoming past failures and advancing the mission toward Mars ...

On Aug. 31, 1913, Alfred Charles Bernard Lovell was born in England. When he was 15, a school trip to hear a lecture on ...

The ringed planet shows off several moons, Venus hangs with the Beehive, and Mercury passes Regulus in the sky this week.

Matter-antimatter asymmetry puzzles physicists. Learn how the Deep Underground Neutrino Experiment (DUNE) may find answers.

The brightening Moon now sits to the left of Spica tonight, helping guide the way to Libra’s lovely double star, ...

Throughout the Earth’s precessional cycle, different stars serve as a pole star, including Thuban, Kochab, Polaris, and Vega.

Born on Aug. 26, 1918, in West Virginia, Katherine Goble Johnson showed exceptional aptitude for mathematics from an early ...

German astronomer Gottfried Kirch discovered the Wild Duck Cluster in 1681. Messier made it his 11th catalog entry May 30, ...

New evidence suggests that a dwarf galaxy orbiting the Milky Way called Ursa Major III is actually a star cluster.