Current concentrations of carbon dioxide (CO₂) in Earth's atmosphere are unprecedented in human history. But CO₂ levels today, and those that might occur in coming decades, did occur millions of years ago.
When two animals look the same, eat the same, behave the same way, and live in similar environments, one might expect that they belong to the same species.
As humans, our greatest evolutionary advantage has always been our ability to adapt and innovate. When people first reached the expanded coastline of Southeast Asia around 65,000 years ago, and faced the sea crossings necessary ...
Lush underwater forests formed by large brown seaweeds known as kelp are among the most abundant and productive coastal ecosystems in Canada.
More than 150 years ago, a San Francisco whaler noticed something about killer whales that scientists may be about to formally recognize—at least in name.
Early in May 2023, a small team of marine biologists arrived in the Saudi Arabian city of Jeddah. They'd flown into the local airport from Guam, the United States, Portugal, Spain and Japan, and they'd soon rendezvous with ...
An international team of scientists has published a study in PNAS Nexus, emphasizing the urgent need to align political will, economic resources, and societal values to ensure a more sustainable and equitable world. Led by ...
Scientists have resolved one of the outstanding questions about one of the world's most recognizable creatures, identifying two well-known killer whales in the North Pacific Ocean as separate species. The research is published ...
Phytoplankton is the primary energy source for all marine ecosystems: These tiny plants floating in the seawater use photosynthesis to bind energy in the form of biomass, which is then passed on step by step in the marine ...
Paleontologists from the University of Zurich have announced the discovery of a new species of freshwater dolphin in the Peruvian Amazon region. Surprisingly, its closest living relatives can be found in the river dolphins ...
