From road-tripping adventurers to luxury resort goers, more travelers are seeking the stars than ever before. Saudi Arabia is hoping to become the Middle East’s top astrotourism destination: it’s home ...

Between spotting galaxies that shouldn't exist, capturing the interstellar medium with unprecedented clarity, and identifying ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

A breathtaking new image of the RCW 38 star cluster showcases a cosmic nursery bursting with color, light, and energy.

Arizona's dark skies are a haven for astronomers and photographers. Some communities are fighting to keep them that way.

A team of astrophysicists has gained the longest, most detailed glimpse yet of the “void” that lurks in the middle of our ...

Scientists observed constant flares from the Milky Way's black hole, revealing unpredictable and intense activity.

From Arizona's canyons to Utah's buttes and beyond, our national parks columnist shares the most adventurous Southwest ...

New observations using NASA's James Webb Space Telescope (JWST) reveal a "unique" ongoing, rapid-fire light show. The post ...