World at its warmest of past 1,200 years
The last part of the 20th century is considered by many scientists to be the warmest period since modern record-keeping...
The last part of the 20th century is considered by many scientists to be the warmest period since modern record-keeping...
Canada has unveiled a 16-million acre preserve, including parkland teeming with grizzly bears, wolves and wild salmon in the ancestral...
Rising temperatures are responsible for pushing dozens of frog species to extinction in the past three decades, according to new...
Grasses and other green growth may produce 10 to 30 percent of Earth’s annual methane output, a new study reports,...
A perfectly preserved fossil of a feathered creature that lived 150 million years ago has provided further evidence to show...
Nearly 150 years after he proposed it, Charles Darwin’s theory of evolution remains controversial, even though most scientists today accept...
The breakup of giant icebergs may have forced minor evolutionary changes in penguins over the past 6,000 years, a new...
The area of land cleared of trees in the Amazon is twice the estimate, according to a new study of...
The numbers are straightforward. In the past 50 years, air temperatures across the Arctic Ocean have climbed by as much...
Pity the poor Neanderthals, who had the misfortune of being discovered at the time Darwin was evoking the outrage of...