The H5N1 bird flu has reached Australia, completing its spread to all 7 continents and raising concerns for the nation’s birds, wildlife and livestock.
A new study finds the shrinking Caspian Sea is due to a combination of human activity and climate change. A major factor is less inflow from the Volga River.
Tornadoes, large hail and damaging winds are expected in the U.S. Midwest on Wednesday, while a tropical system could bring flash floods across the Gulf Coast.