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

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

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

The Andromeda galaxy, our nearest major galactic neighbor and one of the most iconic objects in the night sky, has captivated ...

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 ...

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

NASA's Roman Space Telescope, slated for a 2027 launch, will provide insights into dark energy and exoplanets. It will ...

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

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 ...

Learn about the thermal light echo, observed by NASA, that causes intricate layers of interstellar gas and dust to emit an ...

NASA has released this photomosaic in two images that can be downloaded from its website: ...