On December 25, the Moon will pass 4° north of Saturn at 11 P.M. EST, with both celestial bodies observable in the southwestern sky during the evening. Saturn will present a magnitude of 0.7, ...

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.

The article details the observation of NGC 2264, designated as the Christmas Tree Cluster, on December 24. This celestial object is identified as a magnitude 3.9 combination open cluster and ...

During their historic first crewed mission orbiting the Moon, the Apollo 8 astronauts Frank Borman, Jim Lovell, and Bill Anders performed a Christmas Eve broadcast, reciting the initial ten verses of ...

The winter solstice, occurring on December 20 at 10:03 A.M. EST, initiates astronomical winter in the Northern Hemisphere and summer in the Southern Hemisphere, corresponding to the Northern ...

Stephan's Quintet, discovered in 1877 by French astronomer Edouard Stephan in the constellation Pegasus, exemplifies the enhanced detail observable through larger astronomical apertures. The group ...

Primordial nucleosynthesis during the early universe generated hydrogen, helium, and minor lithium-7 before the cosmos cooled, halting further fusion. Stellar interiors synthesize elements up to iron ...

Comet C/2025 A6 (Lemmon) is currently visible in both morning and evening skies, initially located near the Big Dipper within Canes Venatici before transitioning into Boötes. Its perigee, the closest ...

The Seestar S30 is introduced as a compact, all-in-one astroimaging system by ZWO, designed for capturing deep-sky objects through integrated optics, automated tracking, and a user-friendly software ...

September offers various celestial events, including Saturn and Neptune's oppositions, Mars's approach to solar conjunction, and favorable viewing of Uranus and Jupiter. Multiple transits of Saturn's ...

SpaceX's Starship rocket successfully completed its tenth test flight (Flight 10), achieving all major objectives including the deployment of a dummy Starlink satellite payload and critical heat ...

A New Moon phase occurred at 2:07 A.M. EDT. This New Moon was colloquially termed a "seasonal Black Moon," defined as the third of four New Moons within a single astronomical season. Black Moons, ...