Fossilized vomit reveals a surprise flying pterosaur in Brazil, offering new insight into how ancient reptiles lived and fed ...

Approximately 290 million years ago, a carnivorous dinosaur stomping around present-day Germany had a tummy ache. The Paleozoic predator eventually vomited up its stomach contents, and then hopefully ...

In the zero-gravity airplanes or vomit comet, why does stuff behave like there is no gravity when it is just falling? – Austin B., 11, Scranton, Pennsylvania I have flown many times in zero-gravity ...

The bloated feeling in the stomach that doesn't go away, and gets worse instead. The growing pressure. The coppery feel in your mouth, and then something inexorable rushing up your esophagus. Suddenly ...

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