Near-Earth asteroid Bennu could hit Earth in 157 years and set off a global ‘impact winter,’ study says
Near-Earth asteroid Bennu has a slim chance of colliding with Earth in 2182. If it does, the impact could trigger a global ...
Sahara rainfall historically driven by tropical plumes not monsoons, study finds
Africa is often synonymous with its drylands that cover two-thirds of the continent. Relief is brought through rainfall ...