Ten years after Hurricane Katrina formed in the Atlantic, construction of NASA's next-generation hurricane-observing satellite mission now is underway in Texas.
Aug 20, 2015 in Earth Sciences
The GPS network might just be Earth's greatest piece of infrastructure. It's effectively a collection of clocks in space that serve up time information 24/7 free of charge to anyone on the planet who cares to listen.
Aug 04, 2015 in Engineering