"Whether you want to explore dark energy, dying stars, galactic powerhouses, or probably even entirely new things we’ve never ...

Astronauts frequently carry personal items into space, ranging from religious icons and music instruments to sports equipment and snacks, making their missions uniquely human. Notable memorabilia left ...

NASA to Create High-Tech Space Harpoon for Science, Awesomeness. 3 minute read. NASA / Chris Meaney / Walt Feimer. By TIME Staff. December 16, 2011 12:01 PM EST.