(CNN) — Scientists say they have unearthed Australia’s oldest known crocodile eggshells, a discovery that could shed light on ancient reptiles that may have hunted prey by dropping on them from trees.

Today we meet the American crocodile (Crocodylus acutus), known as the cocodrilo in Spanish. These crocodilians have become a hot topic in Costa Rica as their population continues to rebound from ...

Anacondas and crocodiles share dangerous waters, but size, speed, and bite force change everything. When these river giants clash, science reveals which predator likely walks away alive.