The September Full Moon rules the skies this evening. Because it is the Full Moon closest to the equinox, it is called the ...

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

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

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.

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 bright Moon stands prominently in Aquarius the Water-bearer this evening, quickly waxing toward Full. Swing your scope up toward Earth’s lone satellite tonight and focus in on a point just east of ...

Our current planet-hunting techniques are unable to detect an Earth-like planet in an Earth-like orbit around a Sun-like star.

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