Using impact craters as a dating tool, Planetary Science Institute Research Scientist Alexander Morgan has determined maximum timescales for the formation of Martian valley networks shaped by running water.
Astrobiology
Jan 15, 2024
3
466
For years, geologists have argued about the processes that formed steep inner gorges in the broad glacial valleys of the Swiss Alps.
Earth Sciences
Dec 5, 2010
5
0
East Africa is much drier than other tropical land regions, including the Amazon and Congo rainforests. The geography of East Africa was always thought to make the region dry and susceptible to drought, but the precise mechanism ...
Earth Sciences
Mar 2, 2023
0
105
Maize was domesticated from its wild ancestor more than 8700 years according to biological evidence uncovered by researchers in the Mexico's Central Balsas River Valley. This is the earliest dated evidence -- by 1200 years ...
Archaeology
Mar 23, 2009
0
0
Volcano-like features seen in polar regions of Saturn's moon Titan by NASA's Cassini spacecraft could be evidence of explosive eruptions that may continue today, according to a new paper by Planetary Science Institute Senior ...
Astronomy
Jun 16, 2020
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195
A UAB study using a Big Data approach to analyze settlement dynamics reveals that communities of the central-eastern Iberian Peninsula existing 4,000 years ago deployed "escape economies," using enrockment and segmentation ...
Archaeology
Sep 28, 2022
0
109
New genetic evidence presented by a team led by Indiana University biology doctoral graduate Benjamin Blackman confirms the eastern United States as the single geographic domestication site of modern sunflowers. Co-authors ...
Biotechnology
Aug 15, 2011
1
0
(Phys.org) —In one of the greatest feats of endurance in the biological world, millions of tiny songbirds—many weighing less than an ounce—migrate thousands of miles to Central and South America each year. Now scientists ...
Plants & Animals
May 7, 2014
0
0
The calendar said December but the warm moist air screamed of springtime. Add an eastbound storm front guided by a La Nina weather pattern into that mismatch and it spawned tornadoes that killed dozens over five U.S. states.
Environment
Dec 12, 2021
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100
The oceans are the final destination of weathering products from the land and its transport via rivers, with those in the Himalayan mountains alone moving one billion tons of sediment each year. To understand the storage ...
