In a twist worthy of a detective novel, a long-misidentified fossil at Harvard's Museum of Comparative Zoology (MCZ) has emerged as a key discovery in early animal evolution.
Originally described in 1865 as a caterpillar, Palaeocampa anthrax...
A new analysis of an exquisitely preserved fossil that lived half a billion years ago suggests that arachnids—spiders and their close kin—evolved in the ocean, challenging the widely held belief that their diversification happened only after...
