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

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

The center of our Milky Way galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas.

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

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.

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

This is a photo capturing the unique rock pillars known as 'Pinnacles' in the Nambung National Park in Western Australia, ...

Researchers at Kyushu University have found that stars in the early universe may have formed from “fluffy” molecular clouds.

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 ...

The Atacama Large Millimeter/submillimeter Array (ALMA) has been used to discover REBELS-25, a Milky Way-like galaxy from the ...

Einstein predicted that massive objects bend light as it passes through their gravitational field. This week, a new telescope ...