Oceans

This magnetic sponge may be the key to oil spill cleanup
The first person to reach space and Challenger Deep
Exploring the ocean floor with autonomous underwater vehicles
NASA app asks players to help map our oceans
Underwater drone finds wreckage of the “unsinkable” USS Nevada
The dangerous job of the International Ice Patrol
The fleet of underwater drones probing Earth’s interior
The robot racing to study Antarctica’s massive ice melt
Removing water from underwater photography
Ship’s logbooks are the first records of climate change data