Determining the expansion rate of the universe, a number called the "Hubble constant," shapes our entire understanding of the cosmos, its age, and its ultimate fate.
Alaska Air National Guardsmen of 211th Rescue Squadron assisted District 17 Coast Guardsmen rescue a pilot of a downed Cessna 207 Nov. 21 at Iliamna Lake. The Coast Guard dispatched an HH-60 Jayhawk ...