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 ...

As the Saharan sun rose on my waylaid team, one morning in September 2022, it seemed to burn with particular intensity. For nearly three weeks we’d been holed up in a mud-walled compound in the oasis ...