Mars isn’t a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially ...

NGC 4449 is a dwarf galaxy turned stellar powerhouse, dazzling astronomers with its explosive star-forming activity and rich ...

At the heart of our galaxy lies a cosmic puzzle: although the Galactic Center is packed with star-making material, massive ...

This serene spiral galaxy hides a cataclysmic past. The galaxy IC 758, shown in this NASA/ESA Hubble Space Telescope image, ...

Scientists using NASA's James Webb Space Telescope (JWST) have made an exciting discovery about the early universe. They ...

See two similarly bright celestial objects with different colors pair up in the evening sky.

A vast, glowing halo enveloping a galaxy cluster has been discovered, defying expectations and pointing to turbulent cosmic ...