In the last few years, trail hiking has exploded in popularity in America. What sparked the increase, and is this a good thing?
We know space is awash in ultraviolet radiation. So how are astronauts protected from all those UV rays?
Snakes and lizards share a common ancestor, and snakes still have the genetic coding for legs and feet. So where did those appendages go?
Cleaning an airliner for the next flight is a complex undertaking that must be carried out rapidly.
There's a magic number that gets casual players (maybe you) really interested.
Say What?!
For every manned mission that NASA has flown since the Challenger — even the first unmanned missions off U.S. soil since the shuttle missions ended in 2011 — the family has continued the tradition. Over more than three decades, the Sheltons have sent more than 100 bouquets to mission control.
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One Family Has Sent Flowers to NASA for More Than 30 Years
