A classified government report on "Unexplained Aerial Phenomena" shows the U.S. is investigating the shapes of objects sometimes seen by military pilots, and reveals details of the plan to investigate ...

When fish or tiny, shrimp-like krill get together, it appears they follow the same set of "rules." According to a new study, shoals of fish and swarms of krill hang out in groups that take on the same ...

Frog and toad pupils come in quite the array, from slits to circles. But overall, there are seven main shapes of these animals’ peepholes, researchers report in the Aug. 25 Proceedings of the Royal ...

The shapes of letters in all languages are derived from common forms in nature, according to a new hypothesis. The idea, in some ways seemingly obvious and innately human, arose however from a study ...

Be they anchovies, sardines, or krill, schools of sea critters all take the same unusual shape, new research shows. That shape, resembling a "multifaceted lozenge," results from a competing drive by ...