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

Einstein predicted that massive objects bend light as it passes through their gravitational field. This week, a new telescope ...

The European Southern Observatory (ESO) has released a stunning 80 million-pixel image of the star cluster RCW 38, as captured by ESO's Visible and Infrared Survey Telescope for Astronomy (VISTA), ...

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.

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...