The 3,400-year-old settlement with a palace and several large buildings could be the ancient city of Zakhiku, believed to have been an important center...
Early Mars had rivers, but the cause of the transition from a wet planet to dry remains unknown. Past Martian climate can be probed using the distribution...
In a study published in the journal Frontiers in Ecology and Evolution, a team of scientists in South Africa assessed the effects of air temperature and...
To test their hypothesis that the eastern moa (Emeus crassus), an extinct flightless bird from New Zealand, survived the Last Glacial Maximum (LGM) in...
A stalagmite from Yonderup Cave, a shallow cave in Western Australia, preserved a record of fire events and climate conditions.
Speleothems in Yonderup...
Declining temperature has been thought to explain the abandonment of Norse settlements in southern Greenland in the early 15th century CE, although limited...
Researchers from the University of Adelaide and elsewhere have sequenced and analyzed mitochondrial DNA from fossils of cave lions (Panthera spp.) and...
Dinosaurs dominated Mesozoic terrestrial ecosystems globally. However, whereas a pole-to-pole geographic distribution characterized ornithischian and theropod...
One or more volcanic eruptions preceded the majority (62 of 68) of dynastic collapses in China over the past 2,000 years, according to new research led...
The end-Ordovician mass extinction, the first of the ‘Big Five’ mass extinctions occurred 445 million years ago and was characterized by the disappearance...
In a large-scale environmental DNA metagenomic study of ancient plant and mammal communities, an international team of researchers have analyzed 535 permafrost...
New research led by the Observatoire astronomique de l’Université de Genève suggests that water never condensed and that, consequently, oceans never...
Nearly 63% of Afro-Arabian mammalian species went extinct approximately 30 million years ago (Oligocene epoch), after Earth’s climate shifted from swampy...
Massive floods from overflowing crater lakes were responsible for eroding at least 24% of the volume of incised valleys on early Mars, according to new...
The Carnian stage (lasted from 237 to 227 million years ago) of the Triassic period marks one of the most significant intervals of the past 250 million...
A research team led by Florida Museum of Natural History scientists has compiled 140,499 body size records of over 100 North American mammals to test how...
Easter Island (Rapa Nui in the native language), a small volcanic island in southeastern Polynesia, has long been the focus of debate regarding the impact...
A new study, published in the journal Nature Ecology & Evolution, challenges claims that early humans slaughtered mammoths, mastodonts and prehistoric...
About 66 million years ago, a 10-km- (6.2-mile) wide asteroid crashed into Earth near the site of the small town of Chicxulub in what is now Mexico. While...
