A new study reveals that the aerobic nitrogen cycle in the ocean may have occurred about 100 million years before oxygen began to significantly accumulate in the atmosphere, based on nitrogen isotope ...

Several key moments in Earth's history help us humans answer the question "How did we get here?" These moments also shed ...

For most of human history, the overall population is believed to have remained quite low. But since the early 1800s, the ...

Several key moments in Earth's history help us humans answer the question, "How did we get here?" These moments also shed light on the question ...

Will humanity's 'global brain' of shared knowledge and cooperation lead to a better future, or to our extinction? Jim Mora ...

Jenkins is thrilled to be heading East and to be a teammate for his favorite sport. He started playing the game as a freshman ...

Arthropods are the most diverse group in the animal kingdom. Among them, the evolutionary record holders are the insects, thanks to their ability to adapt to many different ecosystems both in ...

At around 1.6 billion years old the ancestors of red seaweeds are some of the oldest known multicellular organisms, and were later followed by green and brown seaweed species. Having been present for ...

Researchers have made a surprising discovery of Henneguya salminicola, a microscopic parasite residing in salmon muscles, as the first multicellular ... single-celled organisms such as fungi ...