Erosion of Earth's topography entrains sediment in rivers flowing across mountains, canyons and other naturally steep landscapes within the catchment. This silt, sand and gravel is transported variably by suspension in the ...
A new study suggests that tiny, mineral grains—squeezed and mixed over millions of years—set in motion the chain of events that plunge massive tectonic plates deep into the Earth's interior.
Earth Sciences
Jan 19, 2021
1
893
The Indus or Harappan Civilisation was a Bronze Age society that developed mainly in the northwestern regions of South Asia from 5300 to 3300 years ago, at about the same time as urban civilisations developed in Mesopotamia ...
Earth Sciences
Nov 28, 2017
1
641
The surface of the giant asteroid Vesta is weathering in a way that appears to be completely different from any other asteroid yet visited, according to new data recorded by NASA's Dawn spacecraft. This new type of space ...
Space Exploration
Oct 31, 2012
20
0
Intensive new nano-analysis of the Winchcombe meteorite has revealed how it was affected by water and repeatedly smashed apart and reassembled on the journey it took through space before landing in an English sheep field ...
Planetary Sciences
Apr 15, 2024
0
85
Volcanic ash is no ordinary dust: It gets injected into the atmosphere, climbs to the stratosphere, impacts climate, powders roadways and clogs jet engines.
Earth Sciences
Oct 4, 2023
0
39
Scientists at the Children's Nutrition Research Center of the USDA's Agricultural Research Service (ARS) helped develop healthier sorghum varieties containing significant concentrations of provitamin A carotenoids while also ...
Molecular & Computational biology
Jul 31, 2023
0
43
Western researchers, leading an international team, have shown that the first 'real chance' of Mars developing life started early, 4.48 billion years ago, when giant, life-inhibiting meteorites stopped striking the Red Planet. ...
Space Exploration
Jun 25, 2019
0
0
Australian scientists have uncovered the important role of specialist bacteria in the formation and movement of platinum and related metals in surface environments.
Earth Sciences
Mar 21, 2016
0
35
Yale-led research may have solved one of the biggest mysteries in geology—namely, why do tectonic plates beneath the Earth's surface, which normally shift over the course of tens to hundreds of millions of years, sometimes ...
Earth Sciences
Jan 19, 2015
1
32
