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

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

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

The James Webb Space Telescope has zoomed in on Leo P, a tiny galaxy with some big things to say about star formation.

While the events observed around Sgr A* are dramatic, this black hole is not as active as some at the center of other ...

A black hole might conjure images of a dark, quiet void, but never-seen-before images captured by the James Webb Space Telescope reveals the centre of the Milky Way looks more like fireworks.

Don Pettit’s been snapping away in orbit again. This time, the NASA astronaut has captured a stunning image of the Milky Way from the International Space Station (ISS) . It also features Earth and ...

In this astrophotography guide, Josh Dury explains how he captures stellar images of the Milky Way, Full Moon and more The ...

Around 13.7 billion years ago, something collapsed. It fell outward into the nothingness that stretched in every direction, ...

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

The Milky Way set behind Hanging Rock and the enchanting fungi of Sanatorium Lake are just some of the subjects ...