Juno NicholsSocial Links Navigation MORE FROM SPACE...1'Astrobiodefense:' Thinktank calls for defending Earth from space bugs2The Lyrid meteor shower peaks this weekend, but don't expect much this year3Rocket Lab gearing up to refly Electron booster for 1st time4'Transformers One' 1st trailer unveils Optimus Prime and Megatron's shared history (video)5China rolls out rocket for next astronaut mission to Tiangong space station (photos)