Dr. Jessica Shepherd, chief medical officer for Hers, joins ABC News Live to discuss the results of the president’s physical.

A 30-foot-high inflatable version of the planet Mars, part of an exhibit at the Kennedy Center in Washington, D.C., rolled ...

Gabriel Garde, head of NASA’s Balloon Program, leads the return to Wānaka, New Zealand, to flight-qualify giant super pressure balloons for 100-day missions in near-space. The 18.8-million ...

After Thursday evening's out-of-this world viral moment, the Mars balloon was quickly retrieved from the highway and returned ...

After Thursday evening's out-of-this world viral moment, the Mars balloon was quickly retrieved from the highway and returned to the Kennedy Center. Get top local stories in DFW delivered to you ...

Cars driving past the Kennedy Center in Washington witnessed an unexpected liftoff on Thursday, after a 30-foot-tall Mars balloon escaped its moorings and rolled from its place outside the arts ...