Travel back 390 million years after the big bang to the ancient Maisie's Galaxy in this stunning 3D visualization that ...

NASA has unveiled four new images of the cosmos, featuring Mars, two nebulae, and a distant spiral galaxy. These images were ...

Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ever since.

April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

In a close-up of the Rosette Nebula — a stellar nursery 5,200 light-years away — dark clouds of gas and dust are seen being carved by radiation from massive stars. A young star at the upper right is ...

This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from ...

Astronaut Don Pettit will host a live conference on April 28 to discuss his 220-day mission on the International Space ...