While photos of littered beaches and floating garbage patches are unsettling, perhaps the most problematic plastic is barely ...

As an outbreak of the avian flu continues to wreak havoc on California agriculture, the number of infected animals and ...

Elephant seal numbers in Argentina remain low after a deadly H5N1 outbreak, highlighting the virus's dangerous adaptability.

Sudden deaths in racehorses from some sort of cardiovascular failure represent a small percentage of equine fatalities. But ...