Elon Musk’s SpaceX dominates the news these days, but a host of oddballs involved in space exploration came before him.

Baltic Sentry mission taps ships, planes and drones to police one of the world’s busiest waterways.

A top economist and currency scholar said "the dollar’s global role will suffer if the US is perceived as turning its back on ...

Politicians in Greenland and Denmark have firmly rejected the idea, but the U.S. administration appears undeterred, so how could a U.S. takeover play out?