For the first time, an image maps organic compounds still surviving in a prehistoric reptile skin sample, offering an insight into how it was preserved.

High-speed stock trading has become so fast that the speed of light is a factor - and financial institutions are looking into exploiting it, says a physicist.

Radiation levels in Tokyo's tap water make it unfit for babies to drink, Japanese officials warn as efforts to stabilise a quake-stricken nuclear plant continue.

AMs are set to vote on a cull of badgers in west Wales as Queen guitarist and campaigner Brian May opposes the motion.

Sea eagles are to be given further protection in a new three-year scheme, initiated by Scottish Natural Heritage.

Scientists discover genetic errors that increase a woman's chance of the life-threatening condition of some pregnancies called pre-eclampsia.

Chancellor George Osborne promises regulatory change and some extra money to help boost the competitiveness of the UK space sector.

A minimum price for carbon and more cash for the Green Investment Bank (GIB) are among the Budget's tools for encouraging a UK green energy expansion.