Yorkicystis lived during the “Cambrian explosion,” 539 million to 485 million years ago – hundreds of million years before the dinosaurs.
It's not about leaves in tall trees.
The long-standing debate over whether dinosaurs were more like birds or lizards is drawing to a close.
The "Clovis First" hypothesis for human settlement of North and South America has just been debunked. Where do we go from here?
Scientists across a range of disciplines have helped solve Darwin's dilemma.
The way that the ancient Megalodon adapted to water temperature has important implications for modern marine creatures.
From crocodiles to birds, certain animals managed to survive some of the worst extinction events in world history.
Meet T. imperator and T. regina.
Syllipsimopodi bideni is small (about 12cm in length), has ten arms, suckers, fins, and a triangular pen of hard tissue inside its body for support.
An ancient continent called Balkanatolia rose and fell in the area in and around what is now the eastern Mediterranean.
Dating of volcanic ash suggests the remains are at least 230,000 years old.
Hybrid animals emere when two different species from the same family reproduce. For many years, the kunga’s lineage was just another genetic mystery.
A study describes how researchers conducted the first successful DNA sequencing on ancient Egyptian mummies.
What was this mammoth tusk doing on the ocean floor 150 miles from land?
Bears, chimps, or humans? A track of five poorly preserved footsteps at Laetoli has puzzled paleontologists for decades. Now, a research paper from Nature claims to have solved the mystery.
Purely physical and chemical processes can deceive us into thinking that life is present, when it actually is not.
Missing link? More like the weakest link.
Fittingly, the skull was found in the Rising Star cave of South Africa, itself located at a site known to UNESCO as the Cradle of Mankind.
Though these ancient settlers of China were culturally cosmopolitan, their DNA turns out to have been completely distinct from the communities with which they interacted.
A recent discovery pushes back the date on when dinosaurs first engaged in social behavior.
The findings include signs of flash flooding that carried huge boulders downstream into the lakebed.
Long assumed to be a devoted vegetarian, ancient sloths were fine with some meat.
The microscopic tardigrades are an elusive species. Fossils are rare, but each new find adds a piece to their unsolved evolutionary puzzle.
Our ancestral cousins far more intelligent than we credit them for, and they did things most of us cannot.
Fossilized footprints found at an excavation site in southwest New Mexico prove humans colonized the continent much earlier than previously thought.
Yet another ocean monster has been discovered.