资讯

NASA nominee faces political turbulence over Mars missions
Sen. Ted Cruz (R-Texas) has pressed Jared Isaacman, Trump’s pick to lead NASA, to continue the space agency’s moon plans.
Opinion
NASA’s tight budget could get in the way of its lofty space promises
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 ...