See a wafer-thin crescent moon leapfrog Jupiter this week / Webb exposes complex atmosphere of starless super-Jupiter / NASA's Europa Clipper will fly close to Mars today on way to Jupiter's icy moon / En route to Jupiter, Europa Clipper captures images of stars / What lies beneath Europa's icy surface? Perhaps a heart of metal / NASA's Europa Clipper mission is on its way to Jupiter / NASA's Europa Clipper mission to Jupiter: Live updates / No float for Cataluna-based Europastry / NASA's Europa Clipper on track for Oct. 10 launch to Jupiter's icy moon despite radiation worries / Volcanoes may help reveal interior heat on Jupiter moon