With ongoing carbon dioxide emissions from the burning of fossil fuels, the atmosphere of Earth heats up, which has dramatic consequences for the ice sheets....
Rocky exoplanets orbiting red dwarf (M-dwarf) stars are among the most promising and abundant astronomical targets for detecting habitable climates. Planets...
The Hittites were one of the great powers in the ancient world across almost five centuries, between 1650 and 1200 BCE, with an empire centered in Anatolia...
Paleontologists have described two new species of the early primatomorphan genus Ignacius from Ellesmere Island, Nunavut, Canada.
Life reconstruction of...
Researchers have analyzed microscopic fragments of 2-million-year-old environmental DNA from of the Kap København Formation in Greenland. The DNA record...
In addition to the discovery of Mbiresaurus raathi, Africa’s oldest known dinosaur species, Yale University paleontologist Christopher Griffin and his...
Detailed, well-dated palaeoclimate and archaeological records are critical for understanding the impact of environmental change on human evolution. In...
Mayapan emerged as a regional Maya capital on the Yucatán Peninsula, following the demise of Chichen Itza between 1000 and 1100 CE.
Drought may have...
University of Toronto astronomer Evelyn Macdonald and her colleagues have identified substantial differences in surface temperature, sea ice and water...
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...