Among the many unique qualities of this long-extinct Antarctic bird, it seems to have been the earliest creature that could ...

When a police officer gave state Sen. Mark Finchem a speeding ticket, the Arizona Republican didn’t need to worry about the ...

Scientists have long suspected that Mexican long-nosed bats migrate through southeastern Arizona, but without capturing and ...

Charles Darwin predicted the existence of a moth with a long tongue based on a comet orchid's nectar spurs. This was ...