Even the apex predator of the Late Cretaceous had to watch its back. This investigation reveals the animals — from horned ceratopsians to massive ankylosaurs — that made hunting risky for T. rex. A ...

From fossilized footprints to enormous skeletons, the remains of sauropods tell a story of power and adaptation. Learn how these ancient giants grew to towering heights and record-breaking weights, ...

PS Portal’s gargantuan, game-changing update is beginning to roll out around the world, allowing you to stream over 2,800 ...