A huge evolutionary leap was found between the hands of Ardi, and all later hominins, indicating a critical time for human evolution.
All the early dinosaurs appear to originate in modern-day South America, some 230 million years ago, after which they moved North.
Prevalence of these seven lineages will be hard to determine since roughly 1 percent of test samples are sent for sequencing.
The fish went on to earn the moniker 'living fossil' because of its anatomy that resembled fossilised records.
Starfish and their close relatives the brittle stars belong to a group called the echinoderms that have spiny skins.
It seems that crocodiles arrived at a body plan that was very efficient and versatile enough that they did not need to change or evolve in order to survive.
Most islands on Earth had flightless birds on them before humans emerged as the dominant species.
It was first listed missing in 2001 after the booked were moved to be photographed but were thought to be misplaced within the library itself.
The fossils were first recorded for Homo sapiens outside of Africa between roughly 210 and 180 thousand years in southern Greece and the Levant.
Climate change wiped out Siberia's woolly brown rhinos 14,000 years ago, study of 14 fossils reveals
Though humans hunted the rhinos, their population remained steady for 12,000 years before an abrupt period of warming.
The bone of the dinosaur was discovered in Alberta in 1989 and could be dated back to 76 million years ago.
In proving that Venus is geographically active, scientists are looking to understand why Earth and Venus evolved so differently despite being so similar.
People with the Neanderthal variant of the gene were found to experience 'pain more often than those who did not'.
Wild tales: In new book, Janaki Lenin explores fascinating animal behaviour through a scientific lens
Janaki Lenin's book Every Creature Has a Story is a compilation of 50 essays on various unique behavioural patterns observed and documented by wildlife scientists across the globe.
The caecilians likely use the venom to 'incapacitate its prey', the amphibians only have their mouth to lead them forward.
While birds, crocodilians and many dinosaurs laid hard-shelled eggs, the Antarctic egg had a soft, parchment-like shell.
Giant tortoises who helped save their species from the brink of extinction, released on Galapagos Islands
One of the newly freed tortoises is Diego, estimated to be around 100 years old is renowned for his fertility and fathered some 800 offspring.
Pathogens did not evolve to kill or hurt us but they have just evolved to procreate and survive just like any life form.
Deep sea microbes helps scientists unlock mystery of transitioning from simple cells to complex life
Evolutionary shift from simple bacteria-like cells to first fungi, plants and animals, 2 billion years ago has left us stumped.
Danuvius could walk upright on two legs and clamber through trees with all four limbs, making them the oldest-known example of upright walking in apes.