At the 247th meeting of the American Astronomical Society, this one held in Phoenix on January 4-8, Andrea Dupree of the Center for Astrophysics|Harvard & Smithsonian presented a talk entitled, ...

Nearly all stars are found inside or around galaxies, but there are ways for stars to escape into intergalactic space.

After four centuries of advances, astronomers now capture the Sun’s swirling, dynamic features in stunning detail.

Lunar Prospector launched on January 6, 1998, as the third mission within NASA’s Discovery Program, which emphasizes frequent ...

Rising shortly before midnight on January 4 and best viewed in the hours before dawn, Comet 24P/Schaumasse is located in northern Virgo, traveling through a rich region of the sky. Although the bright ...

Because rogue planets don’t orbit a host star, they can’t be found using astronomers’ typical go-to methods: radial velocity or transits. (Radial velocity measures the way a star wobbles as an unseen ...

The observation period features lunar appulses with Saturn, Neptune, and Uranus, complemented by transits of Jupiter's Galilean moons (Io and Europa) and their shadows across the gas giant's disk.

January presents optimal viewing conditions for Jupiter, which reaches opposition on the 10th in Gemini at magnitude -2.7, offering its largest apparent diameter (47") and opportunities to observe ...

Robert Aitken, born in 1864, overcame childhood health challenges, including progressive deafness, to earn a B.A. in mathematics in 1887 and subsequently teach mathematics and astronomy. He embarked ...

The article details a significant astronomical event: the transit of Jupiter's moon Io and its shadow across the gas giant's disk, observed overnight from December 27th into December 28th. The ingress ...