Three-horned fossils are actually juvenile torosauruses
                                
                                
                                    (Newser) -
                                    One of the best-known dinosaur species may not have really been a dinosaur species at all, according to new research. Scientists compared triceratops skulls to those of a lesser-known species, the torosaurus, and concluded that the triceratops were actually young torosauruses,   New Scientist  reports. They believe the three-horned dinosaur's skull...