We humans have long viewed ourselves as the pinnacle of evolution. People label other species as "primitive" or "ancient" and ...

“A 62-million-year-old skeleton of this quality and completeness offers novel insights into mixodectids, including a much clearer picture of their evolutionary relationships,” study co-author and Yale ...

Biologists have long drawn the animal family tree with a hazy base, unsure which creature first split from the common ancestor that gave rise to everything from jellyfish to humans. Now, a new genomic ...

Scientists from around the globe are using the largest mammalian genomic dataset in history to determine the evolutionary history of the human genome in the context of mammalian evolutionary history.

For some mammals, the evolutionary path to gigantism after the dinosaurs’ demise wasn’t always a straight road. Species of extinct, hefty, rhinoceros-like creatures called brontotheres evolved into ...

Why do you have five fingers? Why not ten, or twenty, or one? Why do so many animals have five fingers? Five seems to be the perfect number for most hands. Oddly, the first vertebrates to come onto ...

For more than 140 years, Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery. What little was known about them had been mostly ...

Add Yahoo as a preferred source to see more of our stories on Google. Twins are uncommon in human history. Tesla Monson Our recent research suggests that twins were actually the norm much further back ...

Mixodectes pungens lived only a few million years after the dinosaurs went extinct. By Laura Baisas Published Mar 11, 2025 2:30 PM EDT Get the Popular Science daily newsletter💡 Breakthroughs, ...