NASA selected Rocket Lab to launch a small NASA astrophysics spacecraft that will study galaxies at ultraviolet wavelengths.

A super-pressure balloon from NASA, the size of a football stadium, completed its first round-the-world trip in just 16 days, ...

NASA concluded a balloon mission in which a super-pressure balloon circumnavigated the Earth over the southern hemisphere in ...

NASA's massive super-pressure balloon has completed a 16-day trip around the Southern Hemisphere — a milestone in ...

The first super pressure balloon flight of NASA's New Zealand Balloon Campaign ... heavy-lift super pressure balloon is on a mission planned for 100 days or more around the Southern Hemisphere's ...

Amid harsh cuts, the Trump administration has proposed canceling the nearly ready-to-launch Nancy Grace Roman Space Telescope ...