A new analysis of an exquisitely preserved fossil that lived half a billion years ago suggests that arachnids—spiders and ...

A 500-million-year-old sea creature called Mollisonia shared a similar brain structure to modern spiders, suggesting that ...

Patients with functional neurologic disorder (FND) after SARS-CoV-2 infection had different symptoms than people with FND after COVID vaccines, retrospective data showed. Patients with post-COVID ...