STEVENS, Pa. — Geese love the Susquehanna Valley and some stay year-round. Others migrate, which causes some people to wonder if their flying habits can tell us how long winter will last.

Delta Air Lines plans to test a new fuel-efficient flying technique pioneered by Airbus called “fello’fly,” which takes inspiration from the V-shaped flight pattern of migrating geese. The ...

Bar-headed geese have fascinated biologists for decades. They achieve physiological feats that seem impossible - flying at extreme altitude, where there is less than 10% the oxygen found at sea level.