Space

ESA extends 11 missions until 2014

US Air Force launches biggest ever spy satellite

Lockheed wants to build a Space Fence

NASA observes cometary snowstorm

First extra-galactic planet discovered

Scientists eye radioactive Martian hoppers

Astronomers discover supernovae brewing

Japan confirms Hayabusa probe contained asteroid dust

NASA sees birth of black hole

SETI embarks on biggest-ever search for extraterrestrials