Could we ever travel faster than the speed of light?
Some of the world's leading physicists believe they have found evidence proving the existence of parallel universes.
Discover how the extreme environments of space exploration might affect human reproduction.
Find out how realistic the space metropolises imagined in science fiction may be.
Is it only a matter of time before an asteroid hits Earth and wipes out human civilisation?
Follow the work of scientists looking for alternative Earths as they scan and map the universe.
Discover how the sun has both helpful and harmful effects for life on Earth.
