Space

NASA spots giant 'propellers' in Saturn's rings

Black hole emits giant jets

First Planck images reveal Universe's earliest light

Progress docks successfully on second attempt

New Air Force satellite to monitor space junk

Second docking attempt planned for errant spaceship

Milky Way stars came from elsewhere in cosmic game of pool

Team creates precursors of life in Titan-like environment

Satellite prepares for 3D scan of the entire Earth's surface

Team finds evidence of recent water on Mars