Antarctic ice shelves have experienced only minor changes in surface melt rates over the past four decades, unlike the rapid increase in surface melt experienced by Greenland's glaciers during the same time period, according ...
Earth Sciences
Jun 21, 2023
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188
Greenland and Antarctica are shedding six times more ice than during the 1990s, driving sea level rise that could see annual flooding by 2100 in regions home today to some 400 million people, scientists have warned.
Earth Sciences
Mar 12, 2020
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2296
Tropical glaciers in Africa and South America began their retreat simultaneously at the end of the last ice age about 20,000 years ago, according to a Dartmouth study.
Earth Sciences
Dec 11, 2019
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874
We recently bade farewell to the Cassini spacecraft, which after 13 years of faithfully orbiting Saturn and its moons was directed to plunge into the giant planet's atmosphere. The reason for the "grand finale" was to guard ...
Space Exploration
Nov 7, 2017
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263
Vast areas of the Martian night sky pulse in ultraviolet light, according to images from NASA's MAVEN spacecraft. The results are being used to illuminate complex circulation patterns in the Martian atmosphere.
Space Exploration
Aug 6, 2020
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445
(Phys.org) -- A new genetic analysis carried out by and international team of scientists has revealed that polar bears and brown bears may have diverged around 600,000 years ago, which is much earlier than the previous estimate ...
Mars represents something of a conundrum for scientists. In many respects, it is significantly different from Earth. It's cold, it's dry, there is little atmosphere or precipitation to speak of, and nothing grows there. ...
Space Exploration
Dec 15, 2015
1
8
Erosion-carved troughs that grow and branch during multiple Martian years may be infant versions of larger features known as Martian "spiders," which are radially patterned channels found only in the south polar region of ...
Space Exploration
Dec 20, 2016
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245
The United States Corn Belt includes western Indiana, Illinois, Iowa, Missouri, eastern Nebraska, and eastern Kansas. The region has dominated corn production in the U.S. since the 1850s, accounting for more than a third ...
Environment
Dec 19, 2019
4
464
(Phys.org)—A small, translucent sea slug called Clione antarctica swims through the cold waters near the polar regions by flapping its wings. At the same time, tiny cilia that circle the sea slug's body in three bands may ...
