The evening sky presents quite a show this month. The bright planets Venus and Jupiter shine prominently in the northwest as the sky darkens. It’s best to look for Venus first. The brilliant planet ...

Comet 10P/Tempel, also called Tempel 2, is continuing to brighten in the early-morning sky. Rising around midnight and visible until the sky streaks with dawn, two hours before sunrise on April 27 you ...

Trained as a Soviet Air Force pilot from the age of 15 and a 1959 graduate of the Zhukovsky Air Force Academy, Vladimir Komarov piloted Voshkod 1 in 1964 – the first multi-human-passenger space ...

NASA’s Lucy spacecraft visited the asteroid 52246 Donaldjohanson on April 20, 2025, coming within 600 miles (920 kilometers) of the object located in the inner region of the asteroid belt between Mars ...

After passing south of Mars late on the 19th, Mercury passes 0.5° south of Saturn at 4 A.M. EDT this morning. Mars will later pass 1.3° north of Saturn at 2 P.M. EDT. This trio of planets congregates ...

The young cluster Pismis 24 lies at the heart of the Lobster Nebula (NGC 6357) in Scorpius. The brilliant stars rank among the hottest and most massive in our galaxy. Tens of thousands of background ...

Our attention is back on Jupiter in the west this evening, though, as Ganymede finally reaches the planet’s eastern limb and begins a transit overnight. First, though, Io is completing another transit ...

When Duke and Young hit the regolith, it marked the first time that astronauts had set foot in the rugged lunar highlands. Apollo 16’s landing site was Descartes, a region some 7,400 feet (2,250 ...

Celestron’s Weatherproof Telescope Cover protects the company’s scopes as large as 11 inches from the effects of the elements. The aluminum-laminated cover measures 57.9 by 70.1 inches (147 by 178 ...

Yes, groups are making plans, but addressing the trash problem on the Moon is surprisingly complex. Currently, organizations are looking at the problem through three different lenses: preservation, ...

While Comets Wierzchoś and Tempel 2 are faint, there’s a breakout star in the early-morning sky that’s cracked naked-eye visibility: Comet C/2025 R3 (PanSTARRS). Recently recorded at mid-5th magnitude ...

In 1972, President Nixon authorized the development of the space shuttle program, a new approach to space travel. By creating a reusable spacecraft, NASA aimed to establish a reliable system for ...