The object that would become known as both the Great January Comet of 1910 and the Daylight Comet was first seen Jan. 12 in the Southern Hemisphere. It’s unclear who precisely discovered it, but some ...

Deep-sky objects shine and the giant planets show off their satellites as the bright light from the Moon disappears from our ...

The Fighting Dragons of Ara, also called the Rim Nebula and cataloged as NGC 6188, comprises dark, star-forming clouds and bright young suns.

First-magnitude Saturn crosses into Pisces today, readily visible to the naked eye as the brightest light in the southwestern sky as it sinks slowly toward the horizon a few hours after sunset. You’ll ...

When the Huygens probe dropped into Titan’s atmosphere on Jan. 14, 2005, no one knew what to expect. For landings on Mars or the Moon, mission scientists plotted out landing sites with meticulous care ...

While late M-stars are the easiest places to find Earth-sized planets, a new study suggests they are biological dead ends where animal life may never find enough fuel to evolve.

Today in the history of astronomy, one of the brightest and most famous scientific minds of the modern era is born.

The solar system’s largest planet shines bright as the Moon wanes and Saturn’s moons dance in the sky this week.

The Schmidts' philanthropic research organization will build a 3-meter space telescope and fund three ground-based facilities.

The celestial object described is an open cluster, NGC 7789, possessing an apparent magnitude of 6.7 and located between 5th-magnitude Sigma Cassiopeiae and 6th-magnitude Rho Cas, known by several ...

This famous asterism at the heart of the Strongman is visible in the early-morning sky this month before sunrise.