It has the world's largest quantity of oil reserves – so why is Venezuela unable to make itself a successful petrostate?

US arrest of Nicolás Maduro is a Trump-led operation that revives a long history of gunboat diplomacy, oil politics and empire ...

From South Korea to Lithuania, discover the five OECD countries where fertility rates are sharply decreasing compared to 1950 ...

Tharik Hussain is an award- winning author and historian specialising in Muslim heritage and culture, whose new book, Muslim Europe, charts Europe’s 1,400-year Islamic history. Discover his favourite ...

Annual plant hunt led by Met Office shows a significant relationship between warmer temperatures and increased plant flowering ...

Shafik Meghji reviews Muslim Europe, a fascinating book delving into the 1,400-year story of Europe's Islamic history ...

Test your knowledge with our capital cities quiz and discover how well you know global capitals this Christmas Day.

From an influx of octopus to the reduced presence of white fish, discover how UK undersea ecosystems are altering due to climate change ...

From 'first-footing' in Scotland to eating grapes in Spain, discover the less well-known New Year's traditions carried out around the world ...

From COP17 to the High Seas Treaty coming into force, discover the most important environmental events to mark in your ...

Test your knowledge with our flags quiz and discover the unique designs representing nations from around the world.