Venus, Jupiter and Mercury headline a spectacular month of planetary viewing.

Summer stargazing begins with some spectacular sights, including the hyped conjunction of Jupiter and Venus, which get close ...

See spectacular photos of the Blue Moon, the rare second full moon of the month, captured by skywatchers worldwide.

June 2026 is shaping up to be one of the most eventful months for astronomy enthusiasts, offering a succession of celestial ...

Despite its name, a “blue moon” doesn’t actually appear blue. A blue moon describes the second full moon in a single month.

See the best images of the Blue Moon from around the world as a second dramatic moonrise occurred in the same month in a rare ...

Here is a handy reference guide to use with this month’s numerous events. Use it to somewhat accurately gauge how many ...

The second full moon of May rises this weekend — here’s exactly when and where to see the so-called Blue Moon at its best.

May’s sky features not one but two full moons as well as the dazzling Eta Aquarids meteor shower. Here’s when to look up for the month’s most striking alignments.

The blue moon peaked on May 31, but don't worry if you missed it. Here's when the next full moon will light up the sky.

California will soon welcome the official start of summer.

A rare Blue Moon illuminated the skies over Delhi and India Gate in 2026. Find out when the full moon appeared, why it is ...