An international team of researchers has sequenced and analyzed a complete nuclear genome and 14 mitochondrial genomes from the extinct woolly rhinoceros...
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...
The end-Cretaceous mass extinction 66 million years ago eradicated roughly 75% of the animal and plant species on Earth, including whole groups like non-avian...
High levels of damaging ultraviolet-B (UV-B) radiation collapsed forest ecosystems and killed off many species of fish and tetrapods at the end of the...
Extreme environmental change was the most likely cause of extinction of megafauna in Sahul, the supercontinent formed by Australia and New Guinea during...
An international team of paleontologists and geologists has uncovered well-preserved fossilized roots, pollen and spores of 90-million-year-old (mid-Cretaceous...
An international team of archaeologists led by the University of Exeter has discovered a new circular mammoth-bone feature at the Paleolithic site of Kostenki...
Torreites sanchezi, an extinct species of rudist clam that lived during the Cretaceous period, some 70 million years ago, grew fast, laying down daily...
Ancient Australia’s super-sized animals, the megafauna, became extinct about 42,000 years ago, but the role of humans in their demise has been debated...
Climate-related megadroughts built the foundation for the collapse of the Neo-Assyrian Empire (912 to 609 BCE), the largest and most powerful empire of...
The earliest ancestors of anatomically modern Homo sapiens emerged in a region south of the Zambezi River in Botswana, Africa, according to a new analysis...
There’s always a lot of extraterrestrial dust floating down to Earth, but this dust is normally only a tiny fraction of the other dust in our atmosphere...
A team of researchers from Princeton University and Universities of Miami and Chicago has found drops of ancient seawater in the sediment cores from the...
Planetary researchers using data from the Shallow Radar (SHARAD) instrument on NASA’s Mars Reconnaissance Orbiter have discovered rich deposits of water...
Some 252 million years ago, intense volcanic activity belched massive volumes of greenhouse gasses into the atmosphere and triggered rapid changes to the...
Two teeth from Neanderthal children who lived 250,000 years ago in what is today France contain evidence of repeated exposure to high levels of lead, a...
The transition from Neanderthals to modern humans in Europe occurred during a period of recurring cold climate cycles. In a new study, a team of researchers...
There are multiple theories as to what caused the collapse of the Classic Maya civilization, such as invasion, war, environmental degradation, etc. In...
In one of the largest studies of its kind, an international team of researchers conducted organic residue analysis of almost 800 ceramic vessels from 46...
A research team led by Rutgers University’s Professor Dennis Kent has documented a gradual shift in Earth’s orbit that repeats regularly every 405,000...