Launched on July 3, NASA's Swift Boost mission aims to save the agency's Neil Gehrels Swift Observatory from a decaying orbit ...

Spread across a large swath of sky, the Coma Star Cluster is visible this evening for several hours after sunset, gorgeous in ...

The Red Planet meets the distant ice giant Uranus in the constellation Taurus, visible together in any optics early this ...

Several of Saturn’s moons are on view this morning, including its brightest satellite, Titan, along with Dione, Tethys, Rhea, ...

Check out two conjunctions, the Last Quarter Moon, multiple asteroids at opposition, and more in the sky this week.

A robotic spacecraft headed to the Marshall Islands last week — the last stop on its way to rescue a 21-year-old NASA space ...

The Wizard Nebula is a dim gas cloud surrounding a bright cluster of young stars, located within the bounds of Cepheus the ...

Mercury and Jupiter are growing closer in the evening sky, but the former is also getting fainter and more challenging to ...

The Full Moon glows, Mercury stands still, and Venus blazes bright as it closes in on the heart of in Leo the Lion in the sky ...

The strange, two-toned moon Iapetus moves north of Saturn early this morning, offering an easy chance to spot it.

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.