A new study suggests that the Earth’s oceans may have changed color over time and could change again in the future, depending ...

Deep-sea mining could unleash clouds of debris that threaten a mysterious, vital ecosystem we barely understand.

A team of ocean optics experts, led by Plymouth Marine Laboratory, has evaluated the accuracy of above-water optical sensors, ...

President Donald Trump has issued an order aimed at opening America's waters to deep sea mining. Here's what the impact could ...

The ocean's deep-sea bed is scattered with ancient rocks, each about the size of a closed fist, called "polymetallic nodules.

Indigenous leaders are calling for involvement in the agreement’s decision-making process, not just an acknowledgement of ...

Picture an ocean world so deep and dark it feels like another planet – where creatures glow and life survives under crushing pressure. This is the midwater zone, a hidden ecosystem that begins 200 ...

National Geographic Explorer Paul Salopek has traveled many miles across land on foot since 2013, when he began his long ...

Karen Madorin is a retired teacher, writer, photographer, outdoors lover, and sixth-generation Kansan.

A global survey of microplastics in oceans reveals that tiny particles of plastic are prevalent throughout the water column, ...

The world is betting heavily on carbon capture — a term that refers to various techniques to stop carbon pollution from being ...

Environmental groups are decrying an executive order signed by President Donald Trump to expedite deep-sea mining for ...