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 ...

In 1977, NASA launched the twin Voyager spacecraft to probe the outer reaches of our solar system. The space agency was still in its infancy then. But with the triumph of the Apollo Moon landings just ...

Last Quarter Moon occurs today at 12:52 A.M. EDT. A few hours after sunset, Hercules the Strongman is rising above the eastern horizon. As this constellation returns to the evening sky, it carries ...

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 ...

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 ...

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 ...

New Moon occurs at 7:52 A.M. EDT, leaving the sky pristine all night and setting the stage for a possible sighting of the zodiacal light after dark. This ethereal glow is generated by sunlight ...

In 1927, a prescient astronomer named Georges Lemaître looked at data showing how galaxies move. He noticed something peculiar – all of them appeared to be speeding away from Earth. Not only that, but ...

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, ...

Before we lose sight of Canis Major in the nighttime sky, get in a last good look at the Big Dog’s famous double star, 145 Canis Majoris, sometimes called the Winter Albireo. Two hours after sunset, ...

Moonless spring evening skies are great for galaxy hunting. Leo is well known for its trio of bright galaxies (M65, M66, and NGC 3628), but the Lion has many more extragalactic targets to offer as ...

Prepare for the world’s largest and most spectacular astronomy and space expo! The Northeast Astronomy Forum (NEAF) is back to mark its 35th anniversary in Suffern, New York, conveniently located 40 ...