A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope ...

Curious about what planets look like through a telescope? This guide breaks down what you’ll see based on your telescope’s size, setup, and observing conditions. Plus tips for clearer planetary views.

After 11 years mapping the Milky Way, the European Space Agency's Gaia space telescope has retired. Scientists hailed it as ...

A spiral galaxy known as NGC 4945 exhibits powerful winds of material blowing from the supermassive black hole located at its ...

Our guide to the best smart telescopes that will help you observe and capture images of the cosmos with just a tap of your ...

A long-simmering disagreement over the universe’s present-day expansion rate shows no signs of resolution, leaving experts ...

New hints from one of the most extensive surveys of the cosmos to date suggest that mysterious dark energy may be evolving in ...

A stunning new image from the James Webb Space Telescope reveals a cosmic mirage known as an Einstein ring, where the light ...

In new images, scientists have gotten the close look yet at Sagittarius C—a "stellar nursery" where clouds of gas and dust have collapsed to form thousands of new stars.

Euclid has opened a new window to the cosmos with its first deep sky data release, revealing millions of galaxies, ...