More than 1.5 million years ago, two different species of ancient human crossed paths on a lakeshore, perhaps locking eyes with each other. These early forerunners of Homo sapiens wandered in a landscape teeming with wildlife, including giant maribou storks that stood 2 meters (6.5 feet) tall...The first part of the find occurred in July 2021 during an excavation at Koobi Fora, on the eastern shore of Lake Turkana in Kenya, where the skeletal remains of several ancient human relatives have been found. That excavation revealed one hominin footprint, alongside several other tracks made by large birds. The team decided...