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A little spacecraft will begin a big mission on July 4
Three recently discovered planets around a very dim star may have all the right conditions for life
On Monday, astronauts entered the first-ever inflatable space habitat
Watch a video of lightning in slow motion
Kids learn about technology at Google’s annual youth event
Join TFK on May 31 for a special space chat with TIME editor-at-large Jeffrey Kluger
NASA announced that 1,284 planets have been discovered — including nine that look a lot like Earth
Mercury crosses in front of the sun today, an event that only happens about 13 times a century
A SpaceX rocket successfully touches down at sea
TFK visits the USA Science & Engineering Festival, in Washington, D.C.
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