December's faint Ursid meteor shower returns under dark skies, offering a small chance of unexpected activity.

A full moon at its closest point to Earth: December opens this week with a full moon, dubbed the “Cold Moon,” that also ...

The summer solstice marks the start of astronomical summer and the longest day of the year. Here we explore when the summer ...

Going into space is no small feat, and the cost to get people, satellites, and more to space is equally costly. Here are the top 10 most expensive missions.

It’s December, and we’re in our darkest month. It is also now meteorological winter — the name given to the coldest three ...

December presents a captivating lineup of celestial events for skywatchers to enjoy. See guide: ...

The Geminid meteor shower and supermoon top December's list of astronomical events. December's full moon will be the third and final supermoon of 2025 when it peaks at 6:14 p.m. ET. The Geminid meteor ...

Celestron introduces the Moon Mission 100mm Tabletop Dobsonian, a 4-inch f/4 reflector telescope that includes two eyepieces, a finder scope, and a Moon filter, weighing 5.3 pounds with an optical ...

December means the winter solstice is coming, it arrives on Dec. 21, and we are in for a couple of very cold and snowy months in Wyoming. Even though it’s ...

December nights are the longest — and often some of the coldest — of the year. While some may dread December’s darkness, ...

December for lovers of astronomy is highlighted by the Geminids meteor shower, as Greg Redern highlights in December’s edition of “Eyes to the Skies.” ...