College students, rocket scientists and math enthusiasts around the world are celebrating Pi Day...

NASA's Orion capsule is on its way home from the moon to wrap up a three-week test flight...

Three Chinese astronauts have landed in a northern desert after six months working to complete construction of the Tiangong station, a symbol of the country’s ambitious space program...

Many people on the Big Island of Hawaii are bracing for major upheaval if lava from Mauna Loa volcano blocks the quickest route connecting two sides of the island...

China has launched a rocket carrying three astronauts to complete construction of space station...

The government says a rocket carrying three astronauts to finish construction of China’s space station will blast off Tuesday...

The operator of a natural gas storage well in Western Pennsylvania says workers have successfully plugged a leak that had been spewing massive amounts of planet-warming methane into the atmosphere for...

A vent at an underground natural gas storage well in Western Pennsylvania has been spewing massive amounts of planet-warming methane into the atmosphere for more than 11 days and attempts to plug the ...

NASA’s new moon rocket has blasted off on its debut flight with three test dummies aboard...