A 125-million-year-old fossil reveals a newly discovered dinosaur covered in unusual spikes scientists have never seen before.

A team led by the University of Chicago said it has discovered a new species of dinosaur — a fish-eating giant, and the first new species of its kind discovered in a century.

Researchers have conducted a new analysis of the origins of ‘bird-hipped’ dinosaurs – the group which includes iconic species such as Triceratops – and found that they likely evolved from a group of ...