Integrity served as a deep-space testbed for technology that could aid cancer patients, serve remote clinics, and supercharge ...

With no Moon in the sky, it’s the perfect time to look for the so-called false dawn before sunrise: the zodiacal light.

The Red Planet plows through an open cluster, Mercury reaches greatest eastern elongation, and New Moon brings darkness in ...

The ringed planet reaches opposition and the Moon occults Jupiter in a rare event not to be missed in the sky this week.

This dense globular cluster is the only Messier object in Capricornus, perfectly positioned for evening observing in the Sea ...

Since ESA’s Herschel observatory went dark in 2013, no space telescope has been observing in the far-infrared. NASA's new ...

Also at opposition this week, asteroid 2 Pallas is passing near a field star with similar brightness to the main-belt world ...

GIMLI will probe the Marius Hills Pit for a hidden lava tube that could shelter astronauts and reveal the Moon's volcanic ...

Saturn reaches opposition this month, Neptune lingers near Saturn, Mars transits the Beehive, and Jupiter is occulted by the ...

Extragalactic globular clusters millions of light-years away are hiding in your astroimages. Here’s how to find them.

The ringed world’s brightest moon is passing north of its parent planet overnight tonight, making it particularly easy to ...

A crescent Moon passing in front of our solar system’s largest planet is a rare and brilliant sight. Here's how to see it for ...