The CDC said Thursday its analysis of samples from a Louisiana patient with bird flu showed mutations not seen in samples ...

Soon after one round of severe thunderstorms fades over the south-central United States to end the week, more thunderstorms will erupt and turn severe this weekend. Not only may a few of the strongest ...

The bird flu virus found in a severely ill patient hospitalized in the United States has mutated to become better adapted to ...

Tiny genetic alterations could help the bird flu virus enter cells in the upper respiratory tract, the C.D.C. said. But there ...

The CDC has confirmed a total of 66 human cases of bird flu across the United States as of Friday, although the number is believed to be higher.

Scientists are issuing warnings after a bird flu patient showed mutations that could increase the transmission of the virus.

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...

Storms across both the Western and Southern United States threaten to disrupt flights as millions of holiday travelers ...

An investigation by KFF Health News reveals key problems in the U.S. response to bird flu, including deference to the farm ...

As the year began, the climate movement had its sights set on reining in the sprawling liquefied natural gas (LNG) export ...

New census numbers show international immigration was a major driving factor of population growth across the United States, ...