A dying star is throwing a cosmic tantrum in this combined image from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX), which NASA has lent to the California Institute of ...

New images show the rapidly rotating pulsar of the "Guitar Nebula" shooting out a gigantic cosmic plume of plasma, X-rays and ...

A new composite image of the Crab Nebula features X-rays from Chandra (blue and white), optical data from Hubble (purple), ...

This Hubble image, captured with the Wide Field Camera 3, shows NGC 1866, a star cluster made up of hundreds of thousands of stars bound by gravity. The image shows two massive stars, WR 25 and ...

The James Webb Telescope took the deepest and clearest picture of faraway space. Its first picture shows a group of galaxies ...

Brian Greene (Cosmic String Theory) and Astrophysicist Ethan Siegel have collaborated on a National Geographic coffee-table ...