Whether it’s a canary’s chirp or a treefrog’s croak, humans tend to prefer many of the same sounds that animals do themselves, a new study finds ...

Animals do all sorts of things to attract each other as potential mates. Many birds, for example, produce feathers with elaborate color patterns – from the iridescent plumage of many hummingbirds to ...

Citizen scientists listened to pairs of mating sounds from 16 different species, including male zebra finches, and selected their favorites. Photo credit: Raina Fan.

Cubans expressed hope that the deep differences could be resolved at the negotiating table. But they also expressed skepticism over Trump's words, citing his history of contradictory statements.