Deep time, earth time, captures the entire process of erosion, until the rock is finally worn away. The 40,000-square-kilometre Ennedi Massif, in northeastern Chad, is a plateau the size of ...

There are many reasons the FCDO may advise against travel to certain places (Picture: Getty Images) The holiday checklist goes something like this: think about your budget, Google the weather, and ...

The UK Foreign Office has released a range of travel warnings, including cautions against "all travel" or "all but essential travel" to various regions across Europe, Africa, Asia, and South America.