"We've always known that we need something to complete the puzzle, but we haven't really known what shape or form those missing pieces were going to be." A secret population of hidden galaxies ...

Physics Department, University of California San Diego, La Jolla, California 92093, United States ...

The final SPIRE Dark Field image map created by combining the Blue (250 micrometers), Green (350 micrometers) and Red (500 micrometers) SPIRE camera channels together, each channel stacking a total of ...

Named the Herschel-SPIRE Dark Field, the image is the deepest far-infrared sky image ever created by Herschel—five times deeper than any previous image. As astronomers stacked the images, a dusty, ...

Department of Engineering, University of Cambridge, Cambridge CB3 0FA, U.K.