Recently in the Herschel Category

ESA's Herschel space observatory has exhausted, as planned, its supply of liquid helium coolant, concluding over three years of pioneering observations of the cool Universe.

Flying along the Vela ridge

A beautiful blue butterfly flutters towards a nest of warm dust and gas, above an intricate network of cool filaments in this image of the Vela C region by ESA's Herschel space observatory.