For more than a century, scientists have wondered how Archaeopteryx, one of the earliest known birds, managed to get off the ...

Birds are among the most successful animals on Earth, and their advantage starts with flight - but it doesn’t stop there. We break down what makes birds so effective, from specialized beaks and ...

“Our findings show that a mid-sized, 400g Archaeopteryx could have achieved a sustainable flight speed of seven meters per second with three bipedal leaps, or with two bipedal leaps with a downward ...

Migratory birds spend hundreds of hours in the air. Up to now, researchers have assumed that the efficiency of converting energy into flight power was constant regardless of speed. Using wind tunnel ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a study in the journal Evolution, researchers ...