The asteroid Lutetia is skimming past several bright stars in Scorpius, including two stunning doubles you won’t want to miss ...

This bluish, oval-shaped planetary nebula in the constellation Hercules is small but easy to spot, even in beginner scopes.

This broad, bright emission nebula near the tail end of Cygnus the Swan is great for night owls up after midnight.

Astronomical summer begins with a gorgeous lineup of lights in the evening sky, including three planets, two stars and the ...

A delicate waxing crescent Moon creates an elongated triangle with bright planets Jupiter and Mercury in the evening sky.

Astronomical summer begins as Mercury, Venus, and Jupiter dominate after sunset and deep-sky treasures shine in the sky this ...

The Moon occults Venus in daylight, visible across the U.S. This evening, the Moon plows through the stars of the Beehive ...

Saturn’s small moon Dione crosses north of the ringed planet early on the morning of June 19. Watch its progress in the dark ...

After years of construction and months of testing, the Chilean mountaintop telescope is nearly ready to begin the most ...

The globular cluster NGC 5897 glows in Libra the Balance, a ghostly twin to the more famous M5 in Serpens.

Our satellite sits near the Sickle asterism in Leo the Lion this evening, while Venus closes in on the Beehive Cluster.

On my way to Tash Rabat from Son-Kul, both in Kyrgyzstan, sitting on the comfortable seats of a minibus, I had to pinch myself just to realize that it wasn’t a dream. I could see green valleys on one ...