A 3,400-year-old lost city has resurfaced, revealing 'Golden' secrets of ancient empires and rewriting human history.

There’s a troubling mystery at the heart of the most widely accepted theory of how complex organisms first evolved on Earth. Eukaryotes are organisms which have a true, membrane-bound nucleus ...

For decades, the ancient shark known as Ptychodus puzzled paleontologists. Its unusual flat teeth looked very different from those of modern sharks. Scientists struggled to understand what this ...