A branch of the H5N1 bird flu family tree that hadn't previously been seen in cattle has now been detected in dairy cows.

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

Paleontologists have been arguing whether modern birds developed before or after the infamous asteroid for decades. Now, a ...

While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.

Could a novel approach to genetic studies give us a clearer picture of how evolutionary adaptations occur? That's what the ...

DNA analysis reveals the big, flightless moa birds ate — and pooped out — 13 kinds of fungi, including ones crucial for New Zealand’s forest ecosystem.

With the devastating 1918 pandemic in mind, US health officials saw an outbreak in Asia and swung into action. What happened ...

At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state ...

A newly identified strain of bird flu, H5N9, discovered at a California duck farm, has prompted concerns about the possibility of a larger outbreak, The Washington Post reported Jan. 29. Health ...

The nationwide spread of highly pathogenic avian influenza, HPAI, also known as avian or bird flu, has many in Illinois concerned about livestock, ...

WEDNESDAY, Jan. 29, 2025 (HealthDay News) -- A new strain of bird flu, H5N9, has been detected for the first time in the United States, raising concerns about how it continues to spread.

You’re wild about birds and your camera. Now combine your passions by entering the 2025 Audubon Photography Awards. This year, we’re following birds where they migrate and offering new prizes across ...