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

From the Crab Nebula to the Orion Nebula, these 10 winter deep-sky objects are easy to find and perfect targets for small ...

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

The University of Wisconsin-Madison physicist and IceCube Neutrino Observatory principal investigator won the Royal Swedish Academy of Sciences' top honor for catching "ghost particles" from the ...

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

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 ...

Early on the 6th, our satellite passes in front of the solar system’s largest planet in a relatively rare event.

The waning Moon passes through Cancer, sharing the constellation with both Mars and the Beehive Cluster (M44).

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

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

Planet Venus comes to a halt against the background stars; catch it shortly after sunset along with Mercury, before the pair ...

The September Full Moon rules the skies this evening. Because it is the Full Moon closest to the equinox, it is called the ...