Fossils of a sea worm that lived on the ocean floor about 500 million years ago are giving new insights into how early creatures evolved.

Global per capita fish consumption passes the 20kg per year mark for the first time, but natural marine resources continue to be overfished, UN data shows.

The government’s climate change advisors have given a cautious green light to fracking in the UK.

A doomed Japanese satellite managed to capture a spectacular view of a cluster of galaxies 250 million light years away just before it died, scientists reveal.