Microrockets travel at virtual warp speed

Scientists have developed a new kind of tiny motor capable of propelling itself through acidic environments - such as the human stomach - without any external energy source.

Hydrogen peroxide found in interstellar space

Hydrogen peroxide has been found for the first time in space, and astronomers are excited - not because it indicates that aliens are bottle blondes, but because it gives clues to how water may be formed.