Life in the ocean runs on light. It fuels photosynthesis, shapes food webs and determines where many marine species can live.

Scientists have identified a newly recognized threat lurking beneath the ocean’s surface: sudden episodes of underwater darkness that can last days or even months. Caused by storms, sediment runoff, ...

We’re getting an exclusive look inside the National Museum of Natural History’s Ocean Library in Suitland, Maryland.

The impact of the asteroid 66 million years ago did not stop life from returning to normal for very long. New research shows ...

Brine pools, extremely salty, oxygen-free underwater lakes, are lethal to most marine life but teem with resilient microbes. Found mainly in the Red Sea, Mediterranean, and Gulf of Mexico, they create ...

Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...

The ocean is the lifeblood of our planet—producing over half of the world’s oxygen, regulating global temperatures, and supporting millions of species. Yet today, marine ecosystems are under severe ...

WOR 9 summarizes the current state of knowledge about marine biodiversity. Available free of charge, it is the ideal starting ...

Under the sea, marine life is beautiful, take it from me! Gorgeous footage of oceanic life was recently captured during an expedition in the American Samoa's Rose Atoll Marine National Monument, which ...

The Santa Barbara Sea Center was the place to be this past weekend with a free event celebrating marine life. Each year for ...