For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don't go looking for it -- the flickering star is 2.2 million ...

NASA’s Spitzer Telescope revealed the Milky Way’s hidden center, using infrared to uncover its dense, star-packed core. This ...

In an astronomical feat, using NASA's James Webb Space Telescope, a team of astronomers observed a distant galaxy, uncovering ...

This image of twin bubbles stretching 25,000 light-years from the galactic center was captured by NASA's Fermi Gamma-ray ...

Researchers have finished equipping the Subaru Telescope with a new special "compound eye," culminating several years of ...

In commemoration of Edwin Hubble's discovery of a Cepheid variable class star, called V1, in the neighboring Andromeda galaxy 100 years ago, astronomers partnered with the American Association of ...

This is called the “heat death” of the Universe, but you can think of it instead as the death of heat. There will be no more ...

Everything you need to know about Kielder Observatory, including what to see, whether the Milky Way is visible and where to ...

One of the first constellations amateur astronomers come to recognize, the Queen offers observers many worthy sights.