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 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 ...

China’s Chang’e 6 mission successfully returned to Earth two years ago today, delivering the first-ever rock and soil samples from the Moon’s farside. Because the largely unexplored farside is ...

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.

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

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

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

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

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

Mercury lines up with Venus, Jupiter, and the Moon in the evening as the small planet also reaches greatest eastern ...