The Nereus unmanned deep-sea vehicle is lost at sea after attempting a dramatic dive into an ocean trench.
NASA cracks the mystery of a large group of lights seen off the coast of Argentina, far from any town.
As oceans become overfished, polluted, and warmer, the X Prize foundation is looking to the public to come up with ideas for three new challenges to pose to the world's top innovators.
Researchers are developing a "deep-sea computing network" that could bring Wi-Fi access underwater to better detect tsunamis, collect data, and monitor offshore activity.
Beating out four fellow finalists, Tracy Villareal wins the PacX Challenge with a proposal to compare ocean data collected by satellites with data collected on the surface of the ocean.
The $2 million challenge tasks competitors with accurately measuring ocean acidification, a step toward improving the health of our seas and inspiring new market-based uses of the oceans.
Sea-surface temperatures may explain why climate change is not warming the planet as fast.
Instead of blurred photos of the ocean floor, users can now see upgraded images with crisp details and topography.
Filmmaker uses his fame to draw attention to the need for research into the world's ocean's, making the first ever solo dive to the bottom of the Mariana Trench.
After 9,000 miles, the autonomous robot Papa Mau completed its trip across the ocean having gathered valuable scientific data along the way.