The Core And Filament Formation/Evolution In Natal Environments (CAFFEINE) survey is an "astronomer's best friend," according to the European Southern Observatory.

"Until now, it was unknown what type of star would remain after the merger." ...

This NASA/ESA/CSA James Webb Space Telescope Picture of the Month brings us a scene from the distant universe. Pictured here is the galaxy cluster MACS J1149.5+2223, or MACS J1149 for short, which is ...