What caused the mass extinction on Earth 359m years ago?
Some researchers believe end-Devonian extinction was triggered by major climatic warming
Some researchers believe end-Devonian extinction was triggered by major climatic warming
UN Special Envoy says greater urgency needed to tackle issue
Crosswords & puzzles to keep you challenged and entertained
Full general election coverage including analysis and results for all 43 constituencies
How does a post-Brexit world shape the identity and relationship of these islands
Weddings, Births, Deaths and other family notices