I looked up on the last day of July at the sound of purple martins, and instead of a swirling flock of feeding birds, I saw a line of the giant swallows flying south toward their winter home, perhaps ...

The study shows caribou herds changed their migratory duration, distance or elevation over 35 years of radio tag tracking. Decades of data following the migratory patterns of endangered caribou show ...

Every spring, migratory birds arrive in the continental United States from south and central America to breed. But precisely when they arrive each spring varies from year to year. In a NASA-led study ...

Tirth Vaishnav does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

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 ...

A groundbreaking international study has revealed that early Asians undertook humanity s longest known prehistoric migration walking more than 20,000 kilometers over thousands of years from North Asia ...