A recent study shows that marine oxygen levels were crucial to the evolution of early Paleozoic trilobite body size, ...

From the tiny-but-deadly to the sky-high terrifying dinos, find out the 20 most dangerous dinosaurs from Jurassic Park and ...

The Carolina Panthers spent the bulk of free agency adding defenders of the hugely imposing variety. They got another in Cam ...

Size differences didn't cause any issues when the world's tallest and smallest dogs met up for a playdate last month.