Invasive rats on tropical islands are creating winners and losers among the tiny underwater animals near the bottom of the ...

Drilling for minerals deep in the ocean could have immense consequences for the tiny animals at the core of the vast marine food web — and ultimately affect fisheries and the food we find on our ...

The deep, blue sea is becoming deeper — in color, that is. Climate change, along with human development, has reduced how much light can filter through the water. Reduced light can significantly ...

Predators at the top of a marine food chain 130 million years ago ruled with more power than any modern species, McGill research into a marine ecosystem from the Cretaceous period revealed. Trophic ...

Melting Arctic ice is revealing a hidden world of nitrogen-fixing bacteria beneath the surface. These microbes, not the usual cyanobacteria, enrich the ocean with nitrogen, fueling algae growth that ...

Long before whales and sharks, enormous marine reptiles dominated the oceans with unmatched power. Scientists have reconstructed a 130-million-year-old marine ecosystem from Colombia and found ...

Zooplankton are one of the most diverse and abundant groups of organisms on Earth and they play an essential role in the marine food chain. Unable to photosynthesise, as phytoplankton do, zooplankton ...

In 2017, a new global treaty was meant to bring mercury pollution under control. But three decades of data from UK harbor porpoises show mercury is still increasing, and is linked to a higher risk of ...