Space

Astronomers glimpse birth of mega-stars

Avatar director helps next Rover mission to film Mars in 3D

Martian fossils could be right under Rover's nose

Giant space balloon crashes on launch

Asteroid may show how life came to Earth

Earth microbes could contaminate Mars

US military loses contact with experimental hypersonic vehicle

Beware alien invaders, says Stephen Hawking

Hubble just gets better with age

US Air Force preps classified space plane for launch