You might think that if a species died out tens of millions of years ago, its design would be too primitive to have any ...

Humans don't have hollow bones like birds do, so how big would our wings have to be to lift us off the ground?

Although it may not have looked exactly like any species alive today, it would’ve had the hallmark features of a living bird, such as feathers, the ability to fly, hollow bones and a toothless beak.

NARRATOR: The bone walls are thin and hollow, just like those of modern birds. VOETEN: That was our first indication that Archaeopteryx must indeed have flown. NARRATOR: As far back as 150 million ...

While light, hollow bones are essential for flight in most birds, this heavier build allows penguins to maneuver and stay stable underwater. In essence, penguins have sacrificed their ability to ...

Winter poses several challenges for birds. Scarce food supplies and limited water are just a few obvious challenges for nearly all of them. Extremely cold temperatures, strong winds, driving snow ...

Ray Bandar's "Bone Palace" spanned thousands of skulls he stashed in the basement of his Miraloma Park home. The collection ...

This is the time of year when many bird lovers are happy to see a frenzy of birds at their feeders and in their yards. These birds are not simply replenishing their energy after rearing their ...

Despite the aching legs and the stress of missed turns by the end of the trip, I was already thinking about where to bring my ...