One would think that with all the advances in aircraft manufacture and technology, that aircraft would now be faster than ever before. However, perhaps surprisingly, the speed of commercial aircraft ...

Private jets are seen as symbols of wealth — the kind of indulgence reserved for celebrities or CEOs looking to avoid the horrors of airport security. While luxury is part of the appeal, it's the time ...

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 ...