Feathers, essential for thermoregulation, flight, and communication in birds, originate from simple appendages known as proto-feathers, which were present in certain dinosaurs.By studying embryonic ...

Organelles in cells were originally often independent cells, which were incorporated by host cells and lost their independence in the course of evolution. Biologists are now examining the way in which ...

Fred Hutch virologist Keith Jerome, MD, PhD, and evolutionary biologist Jesse Bloom, PhD, were recently elected to the 2025 ...

Organelles in cells were originally often independent cells, which were incorporated by host cells and lost their independence in the course of evolution.

Chimpanzees are humans' closest living relatives, sharing over 98% of our DNA. They are endangered, with fewer than 250,000 left and an annual decline of between 1.5% and 6%. This is due to habitat ...

Sturgeons are one of the oldest groups of fishes. Sporting an armor of five rows of bony, modified scales called dermal ...

Research that combined archaeology, history and ecology provides a nuanced understanding of the past that could help ...