Two 325-million-year-old ctenacanth shark fossils discovered in Mammoth Cave shed light on ancient marine ecosystems.

Explore why tanks need to lose weight to maintain relevance, how the M1 Abrams gained its legendary status somewhat unfairly, ...

Natural Trap Cave is a pit in northern Wyoming into which countless animals have fallen and met their untimely demise since the Pleistocene. Paleontologists today find the cave a treasure trove — a ...

With 630 cars impounded and 1,277 calls handled last year, this tow truck driver is celebrating milestones and looking ahead ...