Britain's defence ministry said that private Russian military firm Wagner Group has headed to eastern Ukraine, where "they are expected to deploy more than 1,000 mercenaries, including senior leaders of the organisation, to undertake combat operations" fo...

In the future, the Sahara Desert will turn green. Due to the Earth’s slightly elliptical shape and the gravitational pull of other planets in our solar system, the Earth’s orbit, tilt and wobble gradually fluctuate over time in a process called the Milank...