President Donald Trump’s nominee to run NASA will tell US senators the agency’s priority will be to send US astronauts to Mars, while promoting a thriving space economy in orbit. (Photographer: Kent ...

Don Pettit, NASA's oldest active astronaut, marked his 70th birthday by landing on the steppe of Kazakhstan after 220 days in ...

Sen. Ted Cruz (R-Texas) has pressed Jared Isaacman, Trump’s pick to lead NASA, to continue the space agency’s moon plans.

White House Office of Science and Technology director Michael Kratsios claimed "Our technologies permit us to manipulate time ...