WASHINGTON, May 3 -- NASA issued the following news release: * * * NASA Balloon Circumnavigates World in 16 Days More than 16 days after lifting off from Wanaka, New Zealand, NASA's football-stadium-sized super pressure balloon has completed its first full circumnavigation of the globe -- a significant milestone for the test flight around the Southern Hemisphere's mid-latitudes. The balloon crossed the 169.24 east longitude line at 7:22 a.m. Saturday, May 3 (U.S. Eastern Time). "I am very pr  more

WASHINGTON, May 3 -- NASA issued the following news release: * * * NASA's SPHEREx Space Telescope Begins Capturing Entire Sky - After weeks of preparation, the space observatory has begun its science mission, taking about 3,600 unique images per day to create a map of the cosmos like no other. Launched on March 11, NASA's SPHEREx space observatory has spent the last six weeks undergoing checkouts, calibrations, and other activities to ensure it is working as it should. Now it's mapping the e  more