New hominin dental specimens were discovered in Ethiopia's Ledi-Geraru research area, dating back to 2.8-2.4 million years ago. Analysis of the teeth (premolars and molars) suggests some specimens belong to the genus *Homo*, representing the earliest known *Homo* fossils. Other specimens show characteristics of *Australopithecus*, but differ significantly from known species. These findings provide crucial insights into early human evolution and the transition from *Australopithecus* to *Homo*. The research involved detailed comparative morphology and analysis across different hominin species.

Prepared by Olivia Bennett and reviewed by editorial team.