How Mars could become a ringed planet

Stunned astronomers watch birth of alien planets

Starry constellations illuminate ceiling of Cambridge's famous gothic chapel

Scientist claims to have detected a parallel universe

Congress clears the way for space mining

These are the images and sounds NASA wants aliens to experience first

What are the different types of comets?

New dwarf planet is really, really out there

NASA wants you (if you want to go to Mars)

Astronomers find oldest stars in Milky Way

No alien signals around odd, dimming star

Mars lost atmosphere to solar winds