Two astronauts completed the second-to-last set of battery replacements outside of the International Space Station, advancing a multi-year project to upgrade the power system for the orbiting lab.
There are a lot of reasons that a faster spaceship is a better one, and nuclear-powered rockets are a way to do this.
NASA has delayed the launch of its Mars rover Perseverance again, this time to no earlier than July 30, due to rocket preparation delays.
You can now get a taste of IMAX's new film about planetary defense, which is scheduled to be released in October.
A new U.S. silver dollar will depict Christa McAuliffe, the first teacher to launch towards space in a way that is representative of all educators.