A new study reveals asteroid impacts on ancient Mars could have produced key ingredients for life if the Martian atmosphere was rich in hydrogen. An early hydrogen-rich atmosphere on Mars could also explain how the planet ...
Space Exploration
Mar 26, 2019
1
90
The 5.4 million square-mile Antarctic ice sheet is by far the greatest mass of fresh water on earth. If all it were to melt, it would raise global sea levels some 70 meters (220 feet), driving human civilization inland, and ...
Earth Sciences
Mar 26, 2019
0
14
Climate change has the potential to have affected ancient civilizations by spurring migrations and changes in cropping strategies, and the¬se questions are increasingly relevant as we look at how modern civilization is coping ...
Earth Sciences
Jan 15, 2019
0
44
Climate change may be occurring even faster than first thought.
Earth Sciences
Nov 8, 2018
124
556
Increasing variation in the climate has been implicated as a possible factor in the evolution of our species (Homo sapiens) 300,000 years ago, as well as the more recent demise of our enigmatic evolutionary cousins, the Neanderthals.
Archaeology
Nov 1, 2018
0
11
A new investigative technique has shown the latitudinal distribution of ice-rich landforms on Mars. This large-scale study enables future, more detailed investigations to study several young deposits of ice and sediment in ...
Space Exploration
Oct 8, 2018
7
148
Ancient periods of cold and dry climate helped our species replace Neanderthals in Europe, a study suggests.
Archaeology
Aug 27, 2018
3
307
The Amazon and the adjacent Andean slopes in South America host an astonishing richness of plants and animals. These species have been sources of food, shelter and medicine since the arrival of humans and a target of scientific ...
Ecology
Jul 20, 2018
0
3
A mad rush is needed to preserve or catalogue thousands of Arctic archeological sites before they are washed away by warming hastening the thaw of permafrost and coastal erosion, a study said Thursday.
Archaeology
Jun 28, 2018
0
34
A new study linking paleoclimatology—the reconstruction of past global climates—with historical analysis by researchers at Yale and other institutions shows a link between environmental stress and its impact on the economy, ...
Earth Sciences
Oct 17, 2017
0
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