The chronology and taxonomy of the ancient hominin genus Australopithecus in South Africa have long been controversial, with the Sterkfontein cave system...
The upper Miocene to lower Pliocene fossil from Beaumaris in Victoria, south-eastern Australia, completely rewrites the evolution of pig-nosed turtles.
An...
A new genus and species of large-sized tomistomine crocodylian has been identified from a large, incomplete skull found more than a century ago in Queensland,...
Paleontologists in Argentina have discovered what they say is one of the oldest-known fossils of the ground sloth Megatherium.
Life reconstruction of Megatherium....
A new genus and species of prehistoric crocodile, Paludirex vincenti, has been identified from fossils unearthed in Queensland, Australia.
Paludirex vincenti...
Living true seals are the most widely dispersed semi-aquatic marine mammals, and comprise geographically separate northern and southern groups. Both are...
A 16-m- (52.5-foot) long megalodon had a head 4.65 m (15.3 feet) long, a dorsal fin 1.62 m (5.3 feet) tall and a tail 3.85 m (9.4 feet) high, according...
A new species of crested penguin that lived 3.2 million years ago (Pliocene period) has been identified from multiple exceptionally well-preserved specimens...
Extinct semi-aquatic beavers of the genus Dipoides lived 4 million years ago (Pliocene epoch) in the Canadian High Arctic and were approximately two-thirds...
Thylacosmilus atrox, an extinct marsupial that roamed South America between 9 and 3 million years ago (Neogene period), was not the ecological analogue...
The Sahara Desert is the largest warm desert in the world, but its age has been controversial, with estimates ranging from the Miocene epoch (23-5.3 million...
Australopithecus anamensis is the earliest-known species in the genus Australopithecus. The species is widely accepted as the ancestor of Lucy’s species,...
Fossil clams found in southwestern Florida contain ancient microtektites, tiny (about 200 μm in diameter) glass beads that form when the explosive impact...
Sloths once roamed the Americas, ranging from cat-sized animals that lived in trees all the way up to giant ground sloths. The only species we know today,...
An international team of scientists has unearthed a collection of 2.6-million-year-old systematically flaked stone tools at the site of Bokol Dora 1 (BD1)...
Between 8 and 2 million years ago, cosmic-ray energy from one or more nearby supernovae reached Earth and pummeled the planet’s atmosphere, initiating...
Approximately 2.6 million years ago (Pliocene epoch), a tsunami of cosmic energy from a massive supernova or a series of them about 150 light-years away...
A study of Pliocene to recent bivalves and gastropods from the Western Atlantic suggests laziness might be a fruitful strategy for survival of individuals,...
University of Pennsylvania paleontologist Steven Jasinski has announced the discovery of a previously unknown species of fossil turtle in the Gray Fossil...
