Huge die-offs of elephant seals occurred after the virus gained nearly 20 troublesome new mutations, scientists found. By Apoorva Mandavilli Elephant seals in South America died in massive numbers ...

LEIOA, Spain — New research is turning our understanding of brain evolution on its head. Scientists have discovered that birds developed their complex brain circuits independently from mammals, rather ...

(Reuters) -Highly pathogenic avian influenza, commonly called bird flu, has increasingly spread to mammals and infected hundreds of people, raising concerns that it may lead to human-to-human ...

Highly pathogenic H5N1 avian influenza viruses are becoming increasingly flexible and are adapting to mammals in new ways that could have global consequences for humans, wildlife and livestock, ...

Dairy cows housed in a barn at the Welcome Stock Farms in Schuylerville, N.Y. New research into the ongoing bird flu outbreaks on dairy farms describes in unprecedented detail how efficiently the ...

An unprecedented and highly contagious bird flu outbreak in the sub-Antarctic has spread to mammals, British officials said Thursday, as experts warned the disease poses a significant threat to the ...

The concerning bird flu outbreak that has spread to four humans so far as it expands quickly in the U.S. has jumped to dozens of species, infecting mammals in at least 31 states. Among those infected ...