On Charles Darwin's 207th birthday, a new study of evolution in a diverse group of wild tomatoes is shedding light on the importance of genetic variation in plants.
On an arid plateau in the Andes Mountains of southern Bolivia, a Case Western Reserve University researcher flagged what turned out to be the fossil remains of a tortoise nearly five feet long—a find indicating this highland ...
Building a $400-million hydroelectric power plant in the world's most arid desert may seem like an engineering debacle, but Chile sees it as a revolutionary way to generate green energy.
Tropical forests in the Andes Mountains are changing in the face of climate change.
A lizard lineage which has evolved over the last 19 million years has helped scientists to re-think one of the most important concepts of modern biology.
High up in the high Andes mountains of Argentina, researchers have identified the first-ever evidence of a population uniquely adapted to tolerate the toxic chemical arsenic.
Birds that are related, such as Darwin's finches, but that vary in beak size and behavior specially evolved to their habitat are examples of a process called speciation. It has long been thought that dramatic changes in a ...
Wildlife advocates have sued the federal government after it declined to designate some areas in the West as critical habitat for the imperiled Canada lynx.
Peru's glaciers have shrunk by more than 40 percent since 1970 because of climate change, giving birth to nearly 1,000 new lagoons, national water authority ANA said Thursday.
Nicole Gasparini was going upstream against a major trend in geologic research. Many geologists ascribe to the popular hypothesis about the formation of very steep mountain ranges: that a wet climate and heavy rainfall on ...