An international group of geneticists and archaeologists, led by the Francis Crick Institute, have found that the ancestry of dogs can be traced to at least two populations of ancient wolves. The work moves us a step closer ...
Evolution
Jun 29, 2022
0
459
An analysis of ancient DNA from a 100,000-year-old polar bear has revealed that extensive hybridization between polar bears and brown bears occurred during the last warm interglacial period in the Pleistocene, leaving a surprising ...
Plants & Animals
Jun 16, 2022
2
1072
At least hundreds of so-far unidentified species of mammals are hiding in plain sight around the world, a new study suggests.
Plants & Animals
Mar 28, 2022
0
461
From 50,000 years to 6,000 years ago, many of the world's largest animals, including such iconic grassland grazers as the woolly mammoth, giant bison, and ancient horses, went extinct. The loss of these grazing species triggered ...
Evolution
Nov 25, 2021
4
1227
Speciation and sedimentation are driven by tectonic activity, which causes fossil and rock records to share common patterns through time. During the Miocene, the Basin and Range (BR) of western North America arose through ...
The rise of dinosaurs coincided with environmental changes driven by major volcanic eruptions over 230 million years ago, a new study reveals.
Earth Sciences
Sep 27, 2021
24
1709
New research provides insights into how the position and intensity of the North Atlantic jet stream has changed during the past 1,250 years. The findings suggest that the position of the jet stream could migrate outside of ...
Earth Sciences
Sep 13, 2021
6
623
Headlines proclaiming COVID lockdowns drastically reduced pollution were mostly referring to nitrogen dioxide, NO2, a reactive gas emitted from burning fuel. There had been less understanding of how lockdowns affected PM2.5, ...
Environment
Jun 23, 2021
0
12
The discovery of a new species of ancient turtle is shedding light on hard-to-track reptile migrations about 100 million years ago. Pleurochayah appalachius, a bothremydid turtle adapted for coastal life, is described in ...
Paleontology & Fossils
May 20, 2021
0
381
A pair of researchers with the Russian Academy of Sciences and the National Museum of Natural History in the U.S., respectively, has respectively, uncovered the first known example of a rebbachisaurid dinosaur to be found ...
