China successfully sent twin BeiDou navigation satellites into space on Aug. 25, aboard a single carrier rocket, according to news reports. The satellites are numbers 35 and 36 in the BeiDou navigation constellation. Read more about the launch here. GPS…
Exploring X-ray navigation in space

Neutron-star Interior Composition Explorer, or NICER, is an external attached payload on the International Space Station. (Image: NASA Goddard Space Flight Center) A team of engineers at the U.S. National Aeronautics and Space Administration (NASA) has demonstrated fully autonomous X-ray…