Biologists are quietly rewriting what it means to be alive, and the human body has become one of their strangest frontiers. Inside our cells and microbiomes, researchers are uncovering entities that ...

Recent fossil discoveries lend credence to the fascinating proposition that non-human species may have coexisted alongside our early human forebears. These unearthed remnants provide a glimpse into ...

Long ago, early humans shared the earth with several archaic human species, including Neanderthals and Denisovans. These species, were bipedal and close relatives of modern humans. They lived in parts ...

Dr. Martin's team is the first to have challenged the species attribution of Little Foot since it was unveiled in 2017. "Our findings challenge the current classification of Little Foot and highlight ...

NOVA's Human, an ambitious five-part series produced in collaboration with BBC Studios Science Unit, takes viewers on a journey to discover the origins of our species. Katrina joined GBH in 2023. She ...