Fossils found in Niger belong to a newly identified Spinosaurus species that had a dramatic skull crest and likely hunted fish by wading, researchers reported.

Microbes play a crucial role in maintaining the levels of many nutrients in our environment, but warming could disrupt their function in certain cycles.

When many types of fish are available, seals stay longer and dive deeper, even in dangerous areas. This shows that food variety can outweigh fear. In safer areas, seals spend less time diving because ...

As climate change reshapes Arctic food webs, ringed seals will swim into risky polar bear territory if the menu is varied enough. This is the central finding of a new study published in Ecology ...

Reaching over 30 feet long, the mysterious giant oarfish is the real-life "sea serpent" behind centuries of myths and legends ...

The ocean covers most of our planet, yet it remains one of the least understood places on Earth. That sense of wonder is ...

From massive tanks holding millions of gallons of water to facilities perched in the most unexpected locations, the world's ...

Almost all marine mammals are carnivores: Think orcas, whales, dolphins, and even walruses and otters. Even baleen whales eat ...

Bowhead whales survived thousands of years of climate change, but human hunting caused damage that still continues today.

By snatching chloroplasts from algae, animals called sacoglossans produce their own energy through photosynthesis ...