Dawn spacecraft now in its lowest planned orbit above dwarf planet Ceres. These late December images are from just 240 miles (385 km) above Ceres' surface.
SpaceX has been trying, but not succeeding, to land its Falcon 9 rocket upright at sea. Then, last month it succeeded on land. Soon, another sea-going attempt!
At 26 million light-years from Earth, NGC 5195 has one of the nearest supermassive black holes to Earth that's currently undergoing such violent outbursts.