Finely preserved brain features in a tiny marine arthropod fossil suggest that arachnids – spiders and their close kin – may ...

If you plan to step up your riding routine—for a busy showing season, longer trail rides or other more intensive exercise—make sure your horse’s hooves are ready. Hopefully, your horse is being seen ...

Phylogenetic trees summarize evolutionary relationships between organisms, and tools to analyze collections of phylogenetic trees enable contrasts between different genes’ ancestry. The BHV metric ...

New genealogical research traces the Pope’s ancestry back to the 1500s, revealing what Harvard historian Henry Louis Gates Jr. calls ‘one of the most diverse family trees’ he’s ever come ...