Protoceratops may have been much smaller than Triceratops, but its powerful jaws made it a formidable opponent. One extraordinary fossil discovered in Mongolia preserves a Protoceratops and ...

The myth of Nicolas and Pernelle Flamel, medieval Parisians said to have made gold with a philosophers' stone, sparked a centuries-long obsession. Here's the real story.

NASA's Curiosity rover has captured breathtaking images of a Martian dawn, revealing mysterious cliffs emerging from the ...