<p>NASA’s Mars Reconnaissance Orbiter (MRO) has revealed that movement in sand dune fields on the Red Planet occurs on a surprisingly large scale, about the same as in dune fields
<p>The Herschel Space Observatory has shown galaxies with the most powerful, active black holes at their cores produce fewer stars than galaxies with less active black holes. The results are
<p>Just weeks after celebrating its tenth year in orbit, communication with the Envisat satellite was suddenly lost on 8 April. Following rigorous attempts to re-establish contact and the investigation of
<p>Huge sunspot AR1476 is crackling with M-class solar flares and appears to be on the verge of producing something even stronger. </p> <p>The sunspot’s ‘beta-gamma-delta’ magnetic field harbors energy for X-class
<p>The first instrument to be completed for the James Webb Space Telescope, MIRI, was handed over by the European consortium that built it to ESA at a ceremony held in