According to geologists at the UK’s Heriot Watt University, gigantic waves of mud and sand sediment about 250 miles off the ...

Heriot-Watt scientists have discovered giant underwater mud waves buried deep below the Atlantic Ocean, 400 kilometers off ...

Africa is in the Northern and Southern Hemispheres. It is surrounded by the Indian Ocean in the east, the South Atlantic Ocean in the south-west and the North Atlantic Ocean in the north-west.