Scientists in Antarctica have discovered what may be the oldest modern bird ever found. The 69 million-year-old fossil could ...

Ohio University faculty and fellows are at the forefront of cutting-edge research, investigating and sometimes transforming our understanding of the past. Among many revolutionary studies, two OHIO ...

Before diving into a hypothetical scenario, it's crucial to understand what an ancestral species represents in evolutionary terms. An ancestral species is a common ancestor from which multiple ...