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

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

"Just as blue sunlight scatters in the Earth's atmosphere and makes the sun look slightly less blue, light from a strong blue ...

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

Residents of New York could have the opportunity to see the dazzling northern lights this week, if the weather cooperates.

A pair of white dwarfs, located just 150 light-years from Earth, appears doomed to die in a type 1a supernova that will shine ...

April's full moon is also called a "pink moon," which will light up the night sky tomorrow. Here's when you can see it.

A “pink moon” will be shining in the night sky when the April moon of 2025 turns full this weekend. But it won’t actually look pink, and it will appear to be slightly smaller than an average ...

Residents in a string of northern states could be in with a chance to see the northern lights on Tuesday night, forecasters ...

NOAA’s Space Weather Prediction Center has issued a G3 (Strong) geomagnetic storm watch for Tuesday night, setting the stage ...