Subscribe to CNN’s Wonder Theory newsletter to delve into the wonders of science. Discover incredible breakthroughs, intriguing research, and fascinating cosmic stories. Fossils that preserve entire animals as they appeared in death give us a rare glimpse into the distant past. Such is the case for multiple finds of Archaeopteryx—the earliest known bird—and a newly studied, long-inaccessible fossil now reveals fresh insights into whether or not Archaeopteryx could truly fly. Scientists have