These giant freshwater crabs might just be your new Roman Empire. Archaeologists studying Trajan's Forum, a historical Roman ...

New Zealand is well known for giant marine crab fossils; hundreds of specimens of the species Tumidocarcinus ... The find also tells researchers more about ancient deep-water ecosystems: the ...

They, in turn, were a source of food for ancient seals ... The newly discovered species will likely help fill in some of the blanks about how southern giant crabs came to be.

In New Zealand, the well-preserved remains of an ancient giant crab have been discovered which has the largest claw dating back to 8 million years. The recently found species is known as ...

A fossil claw belonging to a new-to-science species of crab that ... to today’s Southern Giant Crab, which can weigh over 12 kilograms (26 pounds). The ancient extinct crab specimens were ...

When it lived, the species was one of the ocean's most fearsome predators; in fact, radiodonts are among the oldest giant apex predators on Earth, Zeng said. "Their appearance in the ~520 million ...

A team ventured into the 2,000-year-old structures under a town in Spain and found some unfamiliar-looking animals. Take a look.