longest cave system
-
Ancient Shark Species That Lived 325 Million Years Ago Discovered in Mammoth Cave
The two ancient shark species discovered in the world’s longest cave system likely lived over 325 million years ago. Click to read more.
Latest Research Articles
most popular
-
Remarkable Mothers in Wildlife: 7 Hard-Working Mom Animals From Elephants to Orangutans
-
![Chimpanzee Behavior: Chimp Wars Show That Murder and Violence are Not Exclusive to Humans [Report]](https://1471793142.rsc.cdn77.org/data/thumbs/full/70473/280/157/50/40/chimpanzee-behavior-chimp-wars-show-that-murder-and-violence-are-not-exclusive-to-humans-report.jpg)
Chimpanzee Behavior: Chimp Wars Show That Murder and Violence are Not Exclusive to Humans [Report]
-
Brazil Deadly Flooding Updates: Death Toll Reaches 100 as Rescue Continues for Missing People
-
From Palm to Olive: The Global Journey of Oil Crops Through the Lens of Conservation and Human Rights
-
Iceland’s Green Revolution: Transforming Atmospheric CO2 into Rock with Groundbreaking 'Mammoth' Plant
