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

NASA’s Hubble Space Telescope Discovers a Cosmic Bullseye, Found to Be a Galaxy With Star-Filled Rings Astronomers observed a unique image of a galactic collision between galaxies which created a ...

Blue stragglers, formed from the merger of two old red stars, shine with greater mass and a bluer hue, a theory confirmed by ...