Teeth, horns, claws, beaks, shells and even plant prickles — the power cascade rule can be observed far and wide throughout nature, much like the famous golden ratio.
'Worm' is really a catchall term for a huge variety of animals with different characteristics that span the tree of life. They hold clues about our own origins as well as hints about human health.
How we worked out when whales first evolved asymmetrical skulls.
The three-toed skink can give birth to live young and lay eggs in the same pregnancy. What can this little critter teach us about the evolution of live birth?
New research shows animal evolution often involves losing genes and becoming less complex.
This newly discovered species is the oldest one known to resemble today's penguins in both size and leg proportions, unlike its giant co-habitants at the time.
An internet-breaking 6'4" steer isn't the only animal to reach gigantic proportions.
'Molecular fossils' in the DNA of elephants could help explain why their testicles are inside their bodies.
People used to think that boy lions had big shaggy manes to protect their necks from being bitten or scratched during fights. But scientists soon realised this idea didn't make much sense.
Bipedal movement has existed in modern reptiles for much longer than we previously knew.