New study of prehistoric fish could rewrite our understanding of evolution
Australian researchers found the extinct fish developed the ability millions of years earlier than previously thought
Scientists plan to launch nuclear weapon against 'city killer' asteroid in bid to save the Moon
Scientists have warned that the debris from a lunar impact could endanger Earth
Nasa sets date for first manned Moon mission in 50 years - and hails new 'Golden Age of exploration'
The trip has been hailed as an opportunity to have 'a front row seat to history'
