The Moon reaches apogee, the farthest point from Earth in its orbit, at 5:46 A.M. EDT. At that time, our satellite will stand 251,996 miles (405,548 km) away. With the Moon sinking low in the hours ...

Asteroid 2 Pallas, at 10th magnitude, exhibited a stationary position at 7:00 A.M. EDT within the constellation Aquila. Pallas's location was approximately 6.5° southeast of Altair, Aquila's brightest ...

At 10:58 AM on Sept. 28, 1969, residents of the small farming community of Murchison, Victoria, in Australia, heard a series of loud booms. The noise was accompanied by a strong smell and a streak of ...

Look to Scorpius this evening, where the asteroid 4 Vesta floats near the globular cluster M80 close to the Scorpion’s claws. Viewing is best looking southwest starting around 30–60 minutes after ...

Saturn reached opposition at 2 A.M. EDT, exhibiting high visibility throughout the night and presenting optimal viewing conditions for its rings and moons. Saturn's apparent magnitude was 0.6 in ...

On September 20th, beginning around 12:30 A.M. EDT, Titan, a moon of Saturn, will transit across the planet's disk, accompanied by its shadow. The transit will be visible telescopically, with Titan's ...

JWST observations of Saturn's atmosphere revealed unprecedented details of its aurora and upper atmosphere, including previously unseen, complex structures. In the ionosphere (1100 km altitude), dark, ...

The gegenschein, a faint counterglow opposite the Sun, is observable under dark skies (limiting magnitude 6 or better) when the antisolar point is at least 25° above the horizon, ideally near local ...

Uranus will transition from prograde to retrograde motion, appearing to move westward relative to background stars, beginning at 1 A.M. EDT. Uranus is observable in the early morning sky, ...

NGC 457, also known as the Owl Cluster, is readily observable with binoculars or telescopes in the evening sky. Located approximately 2.1° southwest of Delta Cassiopeiae, it is easily identified near ...

After 43 years with Astronomy, including 23 years as Editor-in-Chief, David J. Eicher is transitioning to a new role as the magazine’s Editor Emeritus. Eicher is one of the most widely recognized ...

As of March 2025, Saturn possesses 274 confirmed moons, the highest number among planets in the solar system. Early discoveries, beginning with Titan in 1655, were limited to five moons by the late ...