NASA astronauts head underwater to simulate Mars missions
The year's NEEMO training will focus on preparing for deep space and Martian missions.
Underwater microscope offers a brand new look at sea life
Scientists can study very tiny undersea organisms in their native habitat.
Saab built a robot to stop underwater terrorist bombs
The FBI and the US Navy are interested.
This is how you make subaquatic music
Go into the water.
Undersea robots find key clue to a mysterious shipwreck
They've located the data recorder for the El Faro, a cargo ship lost in a hurricane.
Six amazing underwater buildings
Sometimes the best view is below sea level.
Watch a robotic snake swim eerily like the real thing
This mechanical serpent will help fix underwater gear... and maybe freak you out a bit.
A drone that can fly, float and dive underwater
Loon Copter could investigate shipwrecks, or just take sweet underwater selfies.
Floating robots will find out what keeps the Indian Ocean healthy
Believe it or not, scientists don't know a lot about how the Indian Ocean works. Without many samp...