Glowing lava erupted from Mount Etna after “strombolian activity” was observed at the volcano’s South East Crater.

A rare double solar eruption fueled a spectacular display of the northern lights overnight — and more auroras could be on the ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

The Lyrids are known for their fast and bright meteors. Though not as fast or as plentiful as the famous Perseids in August, ...

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

Venus, Saturn and the moon will form a triple conjunction, appearing to look like a smiley face in a sky. Here's how and when ...

For more than a millennium, Orthodox Christian monks have woken up in the predawn darkness to start their day with prayer at ...

The night sky this week brings a first peek at the Lyrids Meteor Shower before its actual peak, plus planets including Venus, ...

The Lyrids are set to dazzle the night sky April 21 to 22, offering stargazers a chance to glimpse a yearly phenomenon.

At Tuesday night’s Maricopa City Council meeting, Mayor Nancy Smith invited Maricopa residents to the dark side. Just for 30 ...

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.