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 Red Planet stands a few degrees south of the bright star Pollux in Gemini, easily visible in the early-morning sky.

Air Force Secretary Troy Meink's announcement is the first official U.S. acknowledgment of space-based weapons.

The young, bright open cluster NGC 7243 rides high in the sky late tonight, located in the zig-zagging constellation Lacerta.

Dark-sky sights take center stage as Saturn's moons dance and Venus mingles with the Moon in the sky this week.

HST celebrated its 36th birthday in space with a detailed look at the famous Trifid Nebula (M20), a dusty stellar nursery.

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

Uncover various deep-sky objects you can see this fall using a large telescope, including the Bubble Nebula (NGC 7635), the ...

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

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

Reid Wiseman, Victor Glover and Jeremy Hansen will join Starmus VIII in Tenerife and La Palma, continuing a remarkable ...

Spiral NGC 7331 dominates a group of five galaxies in Pegasus, perfect for observing in tonight’s moonless skies.