A newly discovered prehistoric predator is reshaping the timeline of how Earth’s earliest apex hunters evolved.
A new analysis of a specimen found more than 40 years ago reveals the oldest known chelicerate, defined by its pair of pincer ...
A breakthrough discovery in Utah has revealed a 500-million-year-old chelicera fossil that is the oldest known spider and ...
A new species of ancient primate challenges what we think we know about where human ancestors diverged from monkeys.