A new study has highlighted the impressive (and sometimes bizarre) regenerative abilities of sea spiders.
A unique rock carving of a 'squatter mantis man' with six limbs has been identified at a site in Iran.
Daredevil climber Alain Robert has climbed up London's Heron Tower with no ropes or safety equipment.
The fearless mammal managed to climb up the vertical outer wall of the 25-storey UBS Tower in St Paul.
Despite having two additional limbs, the young chick, which wasn't expected to live, is doing quite well.
A particular large Australian fur seal was seen this week wandering up a street and climbing on to cars.
A man in Norway ended up stuck after climbing in to a lavatory to retrieve his friend's mobile phone.
Researchers have revealed that snakes lost their limbs when they began living and hunting in burrows.
In a remarkable feat of old-age endurance, the pensioner reached the summit of Africa's tallest mountain.
A new type of material is able to detect pressure and transmit that information directly to the brain.
A prehistoric reptile the size of a cow may have been the first to ever stand upright on four limbs.
A new, inexpensive 3D-printed bionic hand could be the key to making prosthetic limbs affordable to all.
Scientists have unearthed the fossil remains of a strange species of snake with four tiny limbs.
The possibility of growing replacement limbs for amputees is now one step closer to becoming a reality.
Researchers have developed advanced robotic arms similar to those used by Spiderman's nemesis.
A recently discovered prehistoric fish is believed to exhibit an early precursor to modern arms and legs.