SpaceX’s massive Starship rocket exploded minutes after it cleared the launch pad during a flight test Thursday. Elon Musk had said the test posed steep challenges and risks.

A SpaceX rocket equipped with the first commercially developed crew capsule began a critical test Saturday morning March 2, 2019, when it blasted off toward the International Space Station. There was no one on board but that capsule could be used to take astronauts into space late this year.

Scott Kelly and his twin brother, Mark Kelly—also an astronaut—were the subjects of the study that sought to find out exactly what happens to the body after a year in space. Scott stayed on the International Space Station from March 2015 to March 2016, while Mark remained on Earth. This was the fina

As 2015 comes to a close we look back at an exciting year of reaching new heights and revealing the unknown for the benefit of humankind.

A Soyruz rocket launched NASA's Scott Kelly and two Russian cosmonauts into space for what will be a year-long mission aboard the International Space Station. It is NASA's first-of-its-kind study of identical twins to learn more about how long-term spaceflight affects the human body — by sending one

Full Moon Silhouettes is a real time video of the moon rising over the Mount Victoria Lookout in Wellington, New Zealand.

Flying from Orlando, FL the crew recorded on video rare footage of Discovery's final launch as it embarks on STS-133.

NASA already has a plan to house astronauts on Mars. NASA’s 3D-Printed Habitat Challenge asked engineers to design houses that could be built on Mars by robots using 3D printing technology. NASA recently announced winners of phase three of the competition and each house has a futuristic design. Each

UNC Chanel Hill laboratory discusses tardigrades on the National Geographic channel, with a film of tun formation by Daiki Horikawa.

Watch live coverage of the SpaceX Crew-1 launch as four astronauts head to the International Space Station. The Crew Dragon will take off from NASA’s Kennedy Space Center in Cape Canaveral, Fla.