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Space Junk Litters the Solar System

The remains of human space exploration are strewn across the solar system, from dozens of dead spacecraft abandoned on the moon to the comet lander Philae, declared out of contact last week.

15 hours ago — Lydia Chain and Jennifer Hackett

GPS and the World's First "Space War"

Satellite-based navigation proved its mettle during the 1991 Persian Gulf War, leading to what some say is an overdependence on “jammable” GPS technology

21 hours ago — Larry Greenemeier

How to Be an Optimal Human

Science-informed suggestions to help you have greater health, growth, and happiness.

February 7, 2016 — Scott Barry Kaufman

Celebrate our 170th Anniversary with us!

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