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Space Science Institute: Alien Earths: Search for Life
How do you recognize life on another planet? What tests do scientists use to determine if something is a life form when they are many light years away from being able to observe it directly? Try your hand at interactives to create a...
TED Talks
Ted: Ted Ed: What Outer Space Does to Your Body
NASA astronaut Scott Kelly and Mikhail Kornienko returned to Earth from a record breaking 340 days aboard the International Space Station. Ever wonder what happens to someone's body when they are in space? Listen on and find out. [2:00]