ScienceVideo Shows NASA's Earth-Observing Satellites Orbiting Our Planet And Watching Over Us NASA releases mesmerizing video of its Earth-observing satellites in their orbital dances around our planet. Animation shows 12 hours of the satellites' orbits 400 miles above our heads.by Jim Algar
ScienceBigger Problem Than #ThatDress: Curiosity Rover Finds Out Mars Is Not Red But Blueby Sumit Passary