Rainfall patterns in the Sahara during the 6,000-year "Green Sahara" period have been pinpointed by analyzing marine sediments, according to new research.
Earth Sciences
Jan 18, 2017
3
325
With its low quantities of rain and soaring high temperatures, the Sahara Desert is often regarded as one of the most extreme and least habitable environments on Earth. While the Sahara was periodically much greener in the ...
Archaeology
Oct 13, 2023
0
290
"When I first arrived in the Sahara, I was struck by how utterly barren it was, like the color green was removed from the palette when they made this place, just nothing, grays and browns, and not a scrap of life," Jennifer ...
Earth Sciences
Jan 11, 2010
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0
The Sahara Desert has expanded by about 10 percent since 1920, according to a new study by University of Maryland scientists. The research is the first to assess century-scale changes to the boundaries of the world's largest ...
Earth Sciences
Mar 29, 2018
3
213
Every year, trade winds over the Sahara Desert sweep up huge plumes of mineral dust, transporting hundreds of teragrams—enough to fill 10 million dump trucks—across North Africa and over the Atlantic Ocean. This dust ...
Earth Sciences
Nov 23, 2016
0
277
A Christie's auction of rare meteorites Wednesday sold a rock from space that narrowly missed a German Shepherd when it smashed into his kennel in Costa Rica.
Space Exploration
Feb 24, 2022
1
80
Today on Earth Day, scientists have announced a collaboration to develop an affordable photovoltaic system capable of concentrating, on average, the power of 2,000 suns, with an efficiency that can collect 80 percent of the ...
Energy & Green Tech
Apr 22, 2013
18
0
The Saharan cousin of Mediterranean olive trees remains largely unknown. However, this subspecies (called the Laperinne's olive tree) is of great interest for several reasons. IRD researchers and their partners showed that ...
Ecology
May 3, 2013
0
0
(AP) -- Britain's cuckoo bird, known for its distinctive call, is in danger of extinction along with 51 other species, the Royal Society for the Protection of Birds said in a new report Thursday.
Plants & Animals
May 28, 2009
0
0
A change in the Earth’s orbit, many scientists believe, transformed the “Green Sahara” into what is now the largest desert on the planet. While scientists are still trying to find out if the slow shift in orbit ...
Earth Sciences
Dec 21, 2010
20
1
