Trash on earth is pretty bad. But space trash is at a whole other level.
Trash on earth is pretty bad. But space trash is at a whole other level. Imagine how much damage just a single screw can make when it's hurtling right at you at 17,500mph. You can follow Michelle Thaller on Twitter at @mlthaller.
SpaceX CEO Elon Musk is encouraging aerospace companies to up their game after successfully launching the most powerful rocket since NASA's Saturn V.
Stephen Hawking has accepted an offer to go to space. He's one of the world's most famous scientists, who's been paralyzed due to ALS for much of his life.