Shell has said it is restarting its Ursa platform in the US Gulf of Mexico after an extended outage for repairs. Ursa, which feeds into the Mars pipeline system, was designed to produce up to 150,000 ...

China appears to have pulled off not only the first satellite-to-satellite refuelling in geosynchronous orbit, but also the “largest single manoeuvre” ever seen in that orbit, according to a former US ...