Has anyone explored the bottom of the Mariana Trench?
Has anyone explored the bottom of the Mariana Trench? Canadian filmmaker and ocean explorer James Cameron made a similar solo journey into the abyss in 2012. Since then, roughly half a dozen ocean explorers have successfully reached the bottom of the Mariana Trench — and many more remotely operated vehicles have completed expeditions.
What did NASA find in the ocean cave?
Using an underwater robot, the science team overturned chunks of volcanic crust, discovering cave systems teeming with worms, snails, and chemosynthetic bacteria living in 75 degrees Fahrenheit (25 degrees Celsius) water, the institute said in a statement.