Videos: Replays from successful Atlas 5 launch of TDRS-M

Narrated video packages show the shrouded NROL-37 payload being hoisted atop the United Launch Alliance Delta 4-Heavy rocket and the retraction of the mobile service gantry.

NASA has shut down a spacecraft that measured the amount of solar energy entering Earth’s atmosphere for 17 years, more than three times the mission’s original design life.

Stratolaunch said Friday that the company has “transitioned ownership” a year after the death of Paul Allen, the company’s billionaire founder who funded the construction of the world’s largest airplane for an airborne satellite launcher.