Mission scientists and engineers took on the tricky task of targeting a remote stretch of the Atlantic Ocean for the reentry of Europe s Aeolus satellite.
The object blasted out of the sky over the Yukon on Feb. 11 may have been an amateur radio pico balloon — specifically, a 33-inch-wide one called K9YO-15.
The U.S. military s X-37B robotic space plane just passed 900 days in orbit on its latest hush-hush mission, adding to the program s flight-duration record.