The iguanas' 8,000-kilometer trip — one-fifth of the Earth’s circumference — is the longest made by a flightless land vertebrate.

For example, a value of 800 means that climate change made the observed sea surface temperature at least 800 times more likely in today’s climate. Warming ocean temperatures impact people ...

These findings may help better predict the future behavior of open ocean dead zones, according to the report. For example, human activities have been adding more and more nitrogen to the ocean. They ...

Ocean ecosystems play a critical role in carbon ... clams or oysters. Whales for example can absorb tons of carbon as their diet consists mainly of plankton and tiny shrimplike crustaceans called ...