The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the ...

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

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

This image from the NASA/ESA Hubble Space Telescope features Arp 72, a very selective galaxy group that only includes two ...

Hubble's first gigapixel panorama of the Andromeda Galaxy was published exactly ten years ago. This has now been ...

Researchers found far more hidden black holes than previously known, indicating plenty of behemoths lurking in thick clouds ...

Astronomers used JWST and gravitational lensing to spot 44 individual stars in a galaxy 6.5 billion light-years away.

Leo P, a small galaxy and a distant neighbor of the Milky Way, is lighting the way for astronomers to better understand star ...

The most powerful telescope to be launched into space has made history by detecting a record number of new stars in a distant ...

Looking at a distant galaxy means looking back in time.