Paleontologists have discovered the largest fully preserved dinosaur claw in Mongolia’s Gobi Desert, belonging to a new ...

The keratin sheath added more than 40% to the claw’s length. “These were big, sharp and nasty claws,” said paleontologist and study co-author Darla Zelenitsky of the University of Calgary in ...

Unlike other therizinosaurs, which have three fingers on their hands equipped with long, sharp claws, this new species only has two fingers. This unique anatomy inspired its scientific name ...

Therefore, each morning this week I awakened the human at 6am sharp, initially by meowing and, if necessary, by employing my claws. Napped | To perform my other duties, I must be well-rested.

The keratin sheath added more than 40% to the claw's length. "These were big, sharp and nasty claws," said paleontologist and study co-author Darla Zelenitsky of the University of Calgary in Canada.