New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

A glorious, colorful image captured by a telescope in Chile shows the bright glow of star cluster RCW 38, where young stars are being born.

Scientists have officially given a name to the largest solar structure in the known universe. Astronomers have found the ...

For over a decade, the Hubble Space Telescope meticulously observed our closest galactic neighbor, capturing over 1,000 ...