The U.S. military has been responsible for rescuing astronauts during emergencies for years. NASA looks to change that.

Tech billionaire Jared Isaacman is one step closer to becoming NASA's next administrator. The U.S. Senate Committee on ...

Two NASA astronauts will step outside the International Space Station on Thursday to take part in U.S. Spacewalk 93, NASA's fifth-ever all-female spacewalk.

Veteran astronaut Don Pettit conducted hundreds of hours of research and captured over half a million photos during his ISS ...

"I didn't look too good because I didn't feel too good," Pettit told reporters during a press conference from NASA's Johnson ...

NASA's oldest full-time astronaut is back home and doing well a week after wrapping up a seven-month space mission.

NASA officials ordered the removal of one of the massive rocket's RS-25 main engines after discovering a hydraulic leak on the engine's main oxidizer valve actuator, which controls the flow of ...

Billionaire Jared Isaacman, who has been to space twice and is Trump's pick to head NASA, could be one step closer to confirmation after a hearing.

A veteran NASA astronaut just back from the International Space Station believes the orbiting facility can operate well past ...

Members say the Shift4 CEO has committed to keeping NASA’s lunar ambitions on track despite expressing aims to land humans on ...

Astronaut Don Pettit, who has been at the International Space Station since September, is set to land Saturday in Kazakhstan ...

Following a seven-month stay aboard the International Space Station (ISS), NASA astronaut Don Pettit and two Russian ...