Dark matter affects how stars move within galaxies, how galaxies build up over time, and how everything in the universe is held together—but no existing tool has directly detected it. While dark ...

An effort to jumpstart copper-nickel mining near the Boundary Waters Canoe Area Wilderness has died in Congress. A provision that would pave the way for mining in the Superior National Forest in ...

June's full 'Strawberry Moon' lit up the night sky last night, treating skywatchers to a rare once-in-a-18-year display as it ...

The Hill Country Dark Sky Conference returned to Blanco for the first time since 2019, drawing more than 60 regional leaders, ...

This might sound like an obvious thing for a professional stargazer to say. But astrophysicist Federica Bianco was reacting ...

Towards the end of the month, Mercury will be visible in the western horizon, the space agency said. Californians can observe ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

You could make a multi-month adventure out of zigzagging along Baja’s many natural and night-sky attractions. But for those who don’t have unlimited PTO, here’s a bite-sized, 100-mile trip ...

This June, the Milky Way’s brilliant heart lights up the night as planets align and the solstice sun marks Earth’s celestial ...

We more safely roam city streets after dark. The city of Las Vegas dumps an enormous amount of light into its environment, turning the night sky above into a seemingly blank canvas. Photograph by ...

Four out of the five brightest stars we can see are now readily visible in the early evening celestial dome. Of course, the ...

"Core season" for the Milky Way has arrived, with our galaxy visible all night as a band of light arching across the sky.