Pettit, NASA's oldest active astronaut, is celebrating his 70th birthday while landing in Kazakhstan after 220 days in space.

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 ...

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

Elon Musk reaffirms his ambition to colonize Mars. He proposes 'Terminus' as the name for its first city. Starship is set to ...

Elon Musk has proposed 'Terminus' as the name for the first Martian city, inspired by Asimov's Foundation series, while ...