Astronomers using the Hubble Space Telescope (HST) have studied one of the largest young star clusters in our galaxy, ...

How do you cool down a phoenix? I don't mean the mythological birds of flame and rebirth, but rather a cosmic namesake with a fittingly fiery nature.

Type Ia supernovae have long served as essential tools in cosmology, acting as cosmic beacons that help astronomers measure ...

A stunning Valentine's view of a nebula contains hidden depths of starbirth and the violent deaths of massive stars.

A bouquet of thousands of stars in bloom has arrived. This composite image contains the deepest X-ray image ever made of the ...