Science

Trump pushes ahead with 'space force' despite hurdles
It would be under the umbrella of the Air Force to try to simplify the process. This represents a shift; Trump had stated that he wanted a space force that is "separate but equal" from the Air Force.
'Every day is a good day when you're floating': Anne McClain talks life in space
Kindergartners from Georgetown Day School in Washington D.C., help NPR's Lulu Garcia-Navarro field questions to McClain, who's an astronaut serving on the International Space Station.
As more electric cars arrive, what's the future for gas-powered engines?
The vast majority of American cars run on gasoline. But analysts say that's poised to change as electric vehicles take over the market -- albeit not as quickly as environmental activists might like.