Pentagon announces new mission for secretive space drone

The US Air Force said Wednesday it would be sending its high-tech X-37B space drone back into orbit this month—the sixth trip for the reusable vehicle that maneuvers around the Earth on secretive missions.

How forecasters track Hurricane Dorian

The path of Hurricane Dorian, which is currently over the Atlantic and heading for the state of Florida, is closely monitored by US weather services with powerful forecasting tools.

Five things to know about Greenland

US President Donald Trump has confirmed he is keen to buy Greenland, an autonomous Danish territory rich in natural resources and of increasing geopolitical relevance as the Arctic ice sheet melts.

US military is a bigger polluter than as many as 140 countries

The US military's carbon bootprint is enormous. Like corporate supply chains, it relies upon an extensive global network of container ships, trucks and cargo planes to supply its operations with everything from bombs to humanitarian ...

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