A newly examined prehistoric shark from the age of dinosaurs provides surprising insights into the early evolution of modern sharks. It cannot be confidently assigned to any shark order that exists ...

More than 500 specimens believed to be about 20 million years old have been unearthed in Fremont. The fossils include teeth from the biggest prehistoric shark and what appears to be an entire whale ...

Most shark fossils are just teeth—their cartilage skeletons usually decay long before they can fossilize. But in northwestern Arkansas, a series of geological sites known as the Fayetteville Shale has ...

More than 300 million years ago, much of what is now Arkansas lay beneath a shallow sea. Today, that ancient seafloor has ...

PLATE 1. Figures 1–4: Carcharhinus amblyrhynchoides (DGCUSB/BB-115,112), upper antero-lateral, Figures 5–6: Carcharhinus brevipinna (DGCUSB/BB-136), upper tooth, Figures 7–10: Carcharhinus perezi ...

Glenn Close can't believe how much she showed her breasts in Oscar-nominated film: 'They weren't anything spectacular' I toured the White House to see Melania Trump's Christmas decorations. The East ...

Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of evolution’s most haunting survivors. Long before forests reshaped Earth’s ...

If you’ve ever been on the 101 Freeway in downtown Los Angeles, you’ve definitely seen the graffiti-covered walls that line the road as it snakes through the city near its southern terminus with the 5 ...