Topic: Charles Bolden

Astronauts might be the people most closely associated with NASA, but administrators are arguably more integral to getting programs off the ground.

NASA's new target window for the launch of the James Webb Space Telescope is between March and June 2019.

British-born NASA astronaut Piers Sellers died of pancreatic cancer at the age of 61 in Houston on Friday.

Throngs of mourners visited Ohio's capitol on Friday to pay final respects to former astronaut and U.S. senator John Glenn, who died last week at the age of 95.

Construction of the James Webb Telescope is complete. The largest space telescope ever built is now ready to undergo a series of mechanical tests.

NASA on Friday said it's working on a small airplane that is entirely free of fossil fuels and might foretell slimmer, more efficient travel for the future.

NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko returned to Earth after spending nearly a year in space on the International Space Station.

On Thursday, NASA detailed the ways in which its current work will pave a path to Mars.

NASA is extending its contract with the Russian Federal Space Agency to transport U.S. astronauts to the International Space Station.

SpaceX's reusable rocket, the Falcon 9, on Sunday suffered its third failed, fiery attempt to launch to outer space and return to land on a drone ship.