There on their sheet was a male Lymantria kanara — the first scientifically collected in 73 years. “This study represents the only record of the species apart from the holotype (primary specimen)” ...

Get Instant Summarized Text (Gist) Fossils from the Eocene mudflats of Utah reveal four new ichnospecies, indicating diverse foraging behaviors of ancient waterbirds. These trace fossils ...

Extant protein-coding sequences span a huge range of ages, from those that emerged only recently to those present in the last universal common ancestor. Because evolution has had less time to act on ...