The granddaddy of the U.S. Coast Guard fleet arrived this month at McMurdo Sound, in Antarctica, to clear channels for supply ships.

A Mars spacecraft launched from Cape Canaveral, Florida, has been AWOL. But NASA hasn't given up hope of restoring contact with the MAVEN orbiter.

Richard Parks, a world record setting explorer, reveals the gadgets behind the first episode of National Geographic’s Pole to ...

Scientists have devised the most detailed map to date of the terrain hidden below the vast ice sheet blanketing Antarctica, ...

An Arlington ultramarathoner with a history of extreme athletic stunts is preparing for one of his most ambitious challenges ...

Yet much about the landscape under the ice has been uncertain, because ground and air surveys are difficult in the region.

An ailing astronaut is back on Earth. The crew of four returned Thursday, ending their space station mission more than a ...

In many ways, black-and-white nature photography is a more challenging art form than your standard color snapshot. It strips ...

Scientists put tiny cameras on penguins’ backs in efforts to gather evidence to support new marine protected areas in ...