A discarded Falcon 9 stage from Firefly's Blue Ghost mission slammed into the Moon at 5,400 mph, and NASA finally got the picture.

The 35,000-square-foot NIDDK unit at 850 N. Fifth St. has four one-of-a-kind metabolic chambers, but a night-nurse shortage is keeping its 11 guest rooms empty.

U of A's mining program, ranked 4th in the nation, is a key target of a new federal effort to fix a looming engineer shortage.