Neptune reaches opposition this evening at 10 P.M. EDT, placing the planet at its best for viewing. However, with the nearly ...

The solar system’s most distant planet is now at opposition and looking its best. Search it out after dark using optical aid.

A space rock struck the Moon in 2024, carving a 728-foot crater. Two new studies show how the impact reshaped the lunar ...

Scientists once thought luminiferous ether pervaded the cosmos. Michelson and Morley’s ingenious experiment to find it ...

Rising around 7:30 P.M. local daylight time, Saturn reaches an altitude above 40° in the southeast by local midnight. Visible ...

Distant planet Neptune passes close to a golden-hued background star this evening, offering a nice color contrast.

Dione crosses Saturn’s north pole, projecting its shadow onto the cloud tops as Tethys disappears into the planet’s shadow.

In a groundbreaking announcement, the U.S. Space Force stated publicly on Monday, Sept. 14, that it currently has on-orbit ...

Now is the best time to catch 145-mile-wide 3 Juno as it passes through a random collection of 9th- and 10th-magnitude stars.

The Moon, Venus, Spica, and Mercury now all stand in a line tonight, but only if you’re quick — Mercury sets soon after the ...

Three celestial objects form a triangle in the evening twilight as Venus and the crescent Moon hang with Virgo’s brightest ...

The Sun passes the celestial equator moving south today, marking the Northern Hemisphere’s transition to autumn.