Early arthropod specimens don’t have claws like these. Instead, Cambrian arthropods usually have an antenna in that position.

It had been a long day of teaching for Rudy Lerosey-Aubril. As a reward, he returned to cleaning an intriguing Cambrian ...

What started as routine fossil cleaning turned into a major scientific surprise when researchers uncovered a tiny claw in a ...

Named after French explorer Jacques Cousteau, Megachelicerax cousteaui is the oldest of its kind ever found, not to mention ...

A 500-million-year-old fossil pulled from the Utah desert may be the earliest confirmed relative of spiders and scorpions, ...