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

What you need to know about bird flu. Public health experts are closely watching avian influenza, which has affected chickens ...

A newly analysed fossil skull settles a palaeontological debate over Vegavis iaai, confirming it as a relative of ducks and ...

Near the end of the age of dinosaurs, a bird resembling today's loons and grebes dove for fish and other prey in the perilous waters off Antarctica. Thanks to a nearly complete fossil skull, ...

Students often complain to their T ai Chi teachers that they cannot memorize the T ai Chi form The form is a means to ...