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 ...

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

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

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

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

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 ...

Proposals are submitted annually by scientists who wish to use these facilities, and are reviewed by the Telescope Allocation Committee.

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

The ringed planet is now at its best for the year, reaching opposition in the constellation Cetus and shining all night.

A space rock struck the Moon in 2024, carving a 728-foot crater. Two new studies show how the impact reshaped the lunar ...

The solar system’s most distant planet is now at opposition and looking its best. Search it out after dark using optical aid.

Neptune reaches opposition this evening at 10 P.M. EDT, placing the planet at its best for viewing. However, with the nearly ...