SpaceX completes 3 rocket launches, 1 Dragon landing in 22 hours
In a span of less than 22 hours, SpaceX managed three Falcon 9 rocket launches and one landing of a Dragon spacecraft. It ...
BBC2 年
Flying reptile: Remains of scary prehistoric creature discovered
Fossilized remains from a giant flying reptile the size of a bus have been discovered in Argentina. The Dragon of Death, as scientists have dubbed the new species, hunted prey from Earth's skies ...