Greetings, stargazers. Emission nebulae are the subject of many of the most spectacular astrophotographs published in the last decade. Although there are many subcategories of nebulae, they all ...

The underrated Voyageurs National Park is the best place to view one of the Earth's most incredible natural phenomena.

Colorado residents and visitors who tilt their heads skyward after dark this July will witness awe-inspiring astrological ...

By Kat Troche As summer deepens in the Northern Hemisphere, a familiar constellation rises with the galactic core of the ...

Fireworks won’t be the only things lighting up the sky this month.Stargazers will be treated to a trio of celestial shows ...

This year, the Buck Moon follows Earth's aphelion, the point in its orbit farthest from the Sun, by just a few days, ...

There's something neat that happens when the full moon is closer to the horizon, and we call it the "moon illusion." ...

Look up some time at the night sky, glinting and humming with all manner of illumination — planes taking off from or ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the United States opened in Chicago in 1930, while the first one in Asia opened in ...