Birds have developed a unique evolutionary solution to ensure the survival of males—a powerful microRNA. This tiny gene ...

The dream of flying has always fascinated humanity. In evolutionary history, the ability to fly has emerged independently ...

Many birds fly, but some, like penguins and ostriches, don't, revealing an evolutionary twist. Flightless birds adapted to ...

Swept-back ones that are very good at supersonic speeds – that’s when going faster than the speed of sound, but are no match when it comes to endurance. Wings also need to be very strong to give the ...

The evolutionary path from dinosaurs to birds included the development of a tiny wrist bone that ultimately proved crucial for stabilizing wings in flight. A new study suggests that the bone appeared ...

A newly identified wrist bone in two non-avian dinosaurs has challenged long-held assumptions about the evolution of flight.