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An ice age almost one million years ago led to a meeting between leopards from central and southern Africa that were searching for grassland. New research into the leopards' genetics—their mitogenome—has revealed that ...
The Southern Ocean, a region critical to Earth's climate, hosts vast blooms of microscopic ocean plants known as phytoplankton. They form the very basis of the Antarctic food web.
For many NASA scientists, flying aboard a decked-out Douglas DC-8 plane provided them some unique glimpses of Earth: the Moai on Easter Island, Central Park in New York and Mount Vesuvius in Italy.
Researchers have found that 2023 was the hottest summer in the Northern Hemisphere in the past 2,000 years, almost 4°C warmer than the coldest summer during the same period.
Today's rate of atmospheric carbon dioxide increase is 10 times faster than at any other point in the past 50,000 years, researchers have found through a detailed chemical analysis of ancient Antarctic ice.
Glacier National Park's ice fortress is crumbling. The giant trees of Sequoia National Park are ablaze. And even the tenacious cacti of Saguaro National Park are struggling to endure a decades-long drought.
Researchers at Georgia Institute of Technology have finished investigating how the prehistoric weakening of a major ocean current led to a decline in ocean nutrients and negative impacts on North Atlantic ocean life. The ...
Astrobiology is the field of science that studies the origins, evolution, distribution, and future of life in the universe. In practice, this means sending robotic missions beyond Earth to analyze the atmospheres, surfaces, ...
New research shows human activity is significantly altering the ways in which marine organisms are preserved, with lasting effects that can both improve and impair the fossil record. The findings are published in the journal ...
How often do mountains collapse, volcanoes erupt or ice sheets melt?
