It appears to be an alien planet. What is the ocean's deepest point? What lives in the Mariana Trench—and what has been discovered recently?

Deep in a trench in Tanzania, researchers found dozens ... according to a new study published in Nature, which dates the systematic use of bone tools to a million years earlier than archaeologists ...

Artillery could be fired randomly into the opposition trench, killing an unsuspecting soldier. The random nature of death took a heavy toll on the mental health of the soldiers as it was a ...