DNA is revealing that many animals once thought to be a single species may actually be several hidden ones. But research on ...

Summer will be here before we know it, and with it comes the season of camping trips, long hikes, and road adventures. It also brings that quiet confidence many of us have that if things ever went ...

Discover the evolutionary story behind the human chin. Learn how craniofacial changes and mandibular traits shaped this ...

Throughout the Amazon Rainforest, forest fragmentation represents an escalating and existential threat to the preservation of ...

Researchers say we must stop treating physical inactivity as a personal failure and fix our broken systems instead.

In the late 1800s, more than a hundred years before smartphones and weather apps, a physicist discovered you could step ...

WASHINGTON, DC – The Editorial Board of the Proceedings of the National Academy of Sciences (PNAS) has selected six papers published by PNAS in 2025 to receive the Cozzarelli Prize, an award that ...

California prosecutors say the state Department of Motor Vehicles lets deadly drivers keep their licenses with little review.

Science is messy business. Finding the truth is easier said than done.

Researchers discovered that a 215-million-year-old reptile started life on four legs and switched to two as an adult.

On a remote Indonesian island, fossils from a population of tiny humans are forcing scientists to redraw some of the clean lines they once drew through our family tree. These remains, from a species ...

Monica is killed off in the first episode of "Marshals," and it might just be the worst mistake of the whole Yellowstone ...