The sheer observing power of the NASA/ESA Hubble Space Telescope is rarely better illustrated than in an image such as this. This glowing pink nebula, named NGC 248, is located in the Small Magellanic ...

Radio astronomy opens a window onto the invisible universe. While our eyes can detect visible light, countless objects in ...

Inside the bright but unassumingly named nebula Gum 55 lies a dark nebula — a rift of dust grains that absorb visible light — creating a swatch of darkness against the glow of bright gas. Fittingly ...

Explore 10 breathtaking images of pink nebulae and supernovae captured by NASA, showcasing the beauty, mystery, and explosive ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...

An interstellar structure known as “God’s Hand” can be seen reaching across the cosmos toward a nearby spiral galaxy in stunning new images captured by the powerful Dark Energy Camera. The "cloudy, ...

This image captures a richly detailed section of the Milky Way, showcasing a tapestry of stars and glowing nebulas. Against a black cosmic backdrop, countless white stars sparkle like scattered ...

The Milky Way is a barred-spiral galaxy about 100,000 light years in diameter, but only about 1,000 light years thick. It contains more than 100 billion stars, and some estimates place that number ...

Summer in the Northern Hemisphere is a frustrating time for many amateur astronomers. The nights never get dark enough to easily see the faint, fuzzy galaxies and nebulae they enjoy looking at through ...

This image shows a collection of 25 new space images celebrating the Chandra X-ray Observatory's 25th anniversary. Starting from the upper left, and going across each row, the objects imaged are: Crab ...

August nights are some of the best of the year to see the Milky Way. With no moon in the sky in the coming week, try to get out of town and treat yourself and your family to one of nature's most ...