June 26, 2023 —A team of researchers discover viruses impact the genetic coding of purple (PSB) and green (GSB) sulfur ...
June 27, 2023 —A Cretaceous origin for placental mammals, the group that includes humans, dogs and bats, has been revealed by in-depth analysis of the fossil record, showing they co-existed with dinosaurs for a ...
June 26, 2023 —50 million years ago in what is now northwestern Colorado, a katydid died, sank to the bottom of a lake and was quickly buried in fine sediments, ...
June 26, 2023 —How the megalodon, a shark that went extinct 3.6 million years ago, stayed warm was a matter of speculation among scientists. Using an analysis of tooth fossils from the megalodon and other sharks of ...
June 26, 2023 —Researchers have identified the oldest decisive evidence of humans' close evolutionary relatives butchering and likely eating one ...
June 23, 2023 —The Bachman's warbler, a songbird that was last seen in North America nearly 40 years ago, was a distinct species and not a hybrid of its two living sister species, according a new study in which the ...
June 23, 2023 —The El Gigante rockshelter in western Honduras is among only a handful of archaeological sites in the Americas that contain well-preserved botanical ...
June 22, 2023 —According to a new study, eukaryotes -- complex life forms with nuclei in their cells, including all the world's plants, animals, insects and fungi -- trace their roots to a common Asgard archaean ...
June 22, 2023 —The genome of a glass sponge species suggests that silica skeletons evolved independently in several groups of ...
June 21, 2023 —Fifteen years of archaeological work in the Tam Pa Ling cave in northeastern Laos has yielded a reliable chronology of early human occupation of the site. The team's excavations through the layers of ...
