Image via Getty Images No, that's not a weather pattern. It's a flock of bird moving in a strange way. In Wyoming, residents ...

The textbook version of human evolution has long held that Homo erectus was the pioneering species to venture beyond Africa's borders around 1.8 million years ago. However, new analysis of five skulls ...

As millions of monarch butterflies make their way down the east coast to Mexico for the winter, butterfly scientists want people in their flight path to report monarch sightings. Doing so can help ...

Red backed shrikes migrate using a fixed schedule, flying in stages with little variation, showing that genetics guide bird ...

While I spent the last two weeks stumbling around as an amateur demographer, the professionals at the State Demographic Center dropped a new report analyzing migration trends and patterns in Minnesota ...

Vietnam's population is projected to peak around 2059 before entering a period of slow growth or stability, as the country ...