Hikers in Papua New Guinea heard the “harsh” sound coming from the treetops and followed it. Take a look at what they discovered.

Spring is cherry blossom season and you can see the showy pink and white flowers in Arizona. Here's the best place and time ...

March is about one thing for me: anticipating spring. Every day I listen to more and more avian voices, thrilled by the steady increase in volume, stretching my ears to hear the first swallows and ...