During one study, physicians at Walter Reed plan to give the psychedelic drug MDMA to up to 450 active-duty soldiers with ...

“The coalition collaboration is very important to us, and [Canada and other partners] been part of a lot of our exercises and ...

The U.S. military's classified mini space shuttle has returned to Earth after circling the world for 434 days.

The X-37B military spaceplane has successfully completed its seventh mission after spending 434 days in orbit, marking ...

Once a Nazi stronghold, now a ghostly enigma, this island's haunting history and hidden dangers make it one of Germany's most ...

Launched by SpaceX, the X-37B vehicle carried no people, just military experiments. Its predawn touchdown at Vandenberg Space Force Base in California was not announced until hours after the fact.

ABC News’ Linsey Davis speaks with former CDC employee Rachael Shaw, a military spouse on next steps for her family after losing her job in recent cuts that have affected over 200,000 federal ...

Long before the first rays of sunlight brushed the California horizon, an extraordinary homecoming took place. The U.S.