Armed with horns that can shatter bone and skin that shrugs off most bites, the rhino’s design looks unbeatable. But in the natural balance of evolution, even tanks have counters. Discover how ...

A nearly 20,000-year-old woolly rhino horn reveals the extinct herbivores lived as long as modern-day rhinos, despite harsher Ice Age conditions.

A South African university launched an anti-poaching campaign Thursday to inject the horns of rhinos with radioactive isotopes that it says are harmless for the animals but can be detected by customs ...