Researchers have found new evidence for a massive subsurface ocean on Mars, again raising the possibility of microbial life.

Ever wondered how much of our vast, mysterious oceans we’ve uncovered? Spoiler alert: not nearly as much as you’d think!

Sea surface temperatures are vital measurements that indicate the warmth of the ocean's top layer, influencing weather patterns, climate, and marine ecosystems.

UD doctoral student Tianyu Zhou is pictured on the right using a shovel to remove snow that covers the sea ice during a ...

By Spoorthy Raman Rhythmic clicks, grunts and roars fill the Año Nuevo Island Reserve in California, home to a large breeding ...

Deep-sea fish thrive in extreme pressure, darkness, and pollution, revealing new survival mechanisms and threats.

Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be making oxygen in the absence of sunlight?

The mantle transition zone (MTZ), which occurs 410–670 kilometers below Earth's surface, may store several oceans' worth of water. This water, which is carried to such depths by subducting tectonic ...