- PhysOrg
- 20/5/17 17:56
The US Air Force on Sunday successfully launched its high-tech drone X-37B, placing the reusable vehicle into orbit for its sixth secretive mission in space.
The US Air Force on Sunday successfully launched its high-tech drone X-37B, placing the reusable vehicle into orbit for its sixth secretive mission in space.
The U.S. military's mystery space plane rocketed toward orbit again Sunday, this time with an extra load of science experiments.
A Chinese government-backed team plans to summit Mount Everest this week at a time when the world's tallest peak has been closed to commercial climbers.