This video captures two passenger aircraft taxiing next to each other, making their size difference easy to compare. The shot clearly shows how the engine of a larger jet appears almost as wide as the ...

A newly published study has found that males of some of our earliest known ancestors were significantly larger than females. The pronounced difference in body size present in both Australopithecus ...

The dramatic increase in survival of extremely premature infants has been associated with a growing population of individuals with neurodevelopmental disabilities. To date, clinical trials of ...

Reformer Pilates is a notoriously difficult version of the exercise that's already know to be one of the toughest workouts out there. In fact, when TODAY's Craig Melvin tried reformer Pilates, it ...