Genetic drift, not natural selection, identified as main factor driving speciation in endangered pupfish species
Scientists have identified a new member on the genetic family tree of an endangered pupfish native to south-central New Mexico.
Scientists have identified a new member on the genetic family tree of an endangered pupfish native to south-central New Mexico.
Evidence in lampreys for the presence of a rudimentary sympathetic nervous system, previously thought to be unique to jawed vertebrates, has been presented in Nature. The finding may prompt a rethink of the origins of the ...
Water levels at Lake Kariba in Zimbabwe have dropped dramatically because of the latest El Niño drought. The country's president, Emmerson Mnangagwa, has declared a national disaster.
Tapping into the long and rich histories of places around Europe is a central part of an EU push for rural and urban revival.
Axolotls (Ambystoma mexicanum) are a critically endangered species of salamander. The species has only one natural habitat remaining, a series of canals in Mexico City, and only 50 to 1,000 axolotls are estimated to be left ...
When Americans mark their presidential election ballots later this year, immigration will be top of mind—it's the nation's number one issue, according to pollster Gallup. And one of the toughest talkers on the topic is ...
A vast burn scar unfolds in drone footage of a landscape seared by massive wildfires north of Lake Tahoe. But amid the expanses of torched trees and gray soil, an unburnt island of lush green emerges.
Some political figures seek to remove references to slavery from the study of American history, adding to the vast knowledge gaps that stem from the transatlantic slave trade. To better understand these histories, scholars ...
Archaeologist Xinyi Liu at Washington University in St. Louis teamed up with Martin Jones of the University of Cambridge to write a new paper for the Proceedings of the National Academy of Sciences that explains how recent ...
Near the California-Oregon border, reservoirs that once submerged valleys have been drained, revealing a stark landscape that had been underwater for generations.