NASA came within 20 seconds of completing a countdown rehearsal of the SLS June 20 after hours of delays caused primarily by a hydrogen leak. Credit: NASA TV Updated 7:45 a.m. Eastern to correct the ...

The show, which features the 20 hottest country music videos, is the last original music program currently produced by the country music cable outlet. By Melinda Newman CMT’s flagship show, the Hot 20 ...