The discovery of Martian dune fields largely preserved in the rock record for up to a billion years offers new insights on past climatic conditions on Mars.
Astronomy
Oct 5, 2020
1
319
A team of scientists from Southwest Research Institute (SwRI) has demonstrated that frozen water in the form of snow or frost can melt to form debris flows on sunward-facing slopes of sand dunes in the Alaskan arctic at air ...
Earth Sciences
Sep 6, 2013
0
0
The main cause of a rapid global cooling period, known as the Big Freeze or Younger Dryas - which occurred nearly 13,000 years ago - has been identified thanks to the help of an academic at the University of Sheffield.
Earth Sciences
Mar 31, 2010
25
0
Among the mountainous dunes and small, undulating ripples of Mars' desert-like surface are sand structures, intermediate in size, that are not quite like anything on Earth.
Planetary Sciences
Dec 14, 2022
0
368
Archaeologists at the Petrified Forest National Park in the southwestern U.S. have discovered an ancient village that is unique for its size.
Archaeology
Oct 10, 2014
0
0
By comparing radar images of areas on Titan to those of Earth's deserts, scientists have identified two distinct types of sand dune on Saturn's largest moon – and discovered eroded structures that indicate that Titan's ...
Space Exploration
Nov 6, 2015
0
111
(AP) -- Hundreds of tiny footprints left by mammals some 190 million years ago have been found on a canyon wall in a remote part of Dinosaur National Monument, park officials said Thursday.
Archaeology
Jul 24, 2009
0
0
Three Irish scientists have discovered how winds shape sand dunes on Mars by using image data from the HiRISE camera on the Mars Reconnaissance Orbiter and then comparing patterns with wind models that were tested on dunes ...
Space Exploration
Nov 5, 2015
2
109
Lori Fenton, Senior Research Scientist and Vice-Chair of the Planetary Exploration Research Thrust at the SETI Institute
Space Exploration
Oct 21, 2015
1
177
Wind has shaped the face of Mars for millennia, but its exact role in piling up sand dunes, carving out rocky escarpments or filling impact craters has eluded scientists until now.
Space Exploration
May 23, 2019
0
166
