Earth observationUK firm's 4K video cameras head to space stationLondon company SEN's ultra high-definition cameras intend to stream spectacular views of Earth.Science & Environment'Ice bumps' reveal history of Antarctic meltingSatellites reveal a 50-year record of climate change by tracing the lumpiness in ice surfaces.Science & EnvironmentPioneering European satellite burns up over PacificThe veteran ERS-2 Earth observation spacecraft dives to destruction 2,000km west of California.Science & EnvironmentFour new emperor penguin groups found by satelliteScientists track down what are probably the last unidentified Antarctic emperor penguin colonies.Science & EnvironmentUK climate satellite suffers failure in orbitThe camera stops working on a novel mission designed to detect inefficient energy use from space.Science & EnvironmentMonster iceberg just under a trillion tonnesScientists use a radar satellite to take a "tape measure" to the world's biggest block of ice.Science & EnvironmentUK space satellite maps heat at Earth's surfaceA new British satellite is showing the world's hot and cold spots in extremely fine detail.Science & EnvironmentMorocco earthquake movement mapped from spaceThe EU's Sentinel-1 satellite traces how the ground buckled in response to Friday's powerful quake.Science & EnvironmentMovies capture lightning spectacle across EarthA new high-speed weather camera above Europe and Africa records the daily frenzy of lightning storms.Science & Environment