This image from NASA’s Mars Curiosity rover shows the Amargosa Valley, on the slopes leading up to Mount Sharp on Mars. Credit: NASA / JPL-Caltech / MSSS How good is your Martian geography? Does Valles Marineris ring a bell? This area is known for having landslides that are among the largest and longest in the

This HiRISE image cutout shows Recurring Slope Lineae in Tivat crater on Mars in enhanced color. The narrow, dark flows descend downhill (towards the upper left). Analysis shows that the flows all end at approximately the same slope, which is similar to the angle of repose for sand. Credit: NASA/JPL/University of Arizona/USGS Dark features previously

The Earth’s magnetosphere is home to the plasma waves being studied by Yuri Shprits and colleagues. Credit: NASA In the 1960s, NASA launched six satellites to study Earth’s atmosphere, magnetosphere and the space between Earth and the moon. Using observations from those satellites, Christopher Russell, a UCLA graduate student at the time, detected mysterious plasma

Ice on window (stock image). Credit: © nd700 / Fotolia Water-repellent surfaces and coatings could make ice removal a literal breeze by forcing ice to grow up rather than just skate by, says a new study from the University of Nebraska-Lincoln and several Chinese institutions. The researchers discovered that ice grows differently on absorbent vs.

Schematic showing a new engineered surface that can repel liquids in any state of wetness. Credit: Xianming Dai, Chujun Zeng and Tak-Sing Wong The lotus effect has inspired many types of liquid repelling surfaces, but tiny water droplets stick to lotus leaf structures. Now, researchers at Penn State have developed the first nano/micro-textured highly slippery

Galaxies of similar size to the Sombrero Galaxy may offer astronomers their first glimpse of a pair of supermassive black holes merging. This hat-shaped galaxy is large enough that its merging black holes would yield detectable gravitational waves, but not so large that the black holes would merge too quickly. Credit: NASA/Hubble Heritage Team Astronomers

Valerio Cerantola, corresponding author and postdoctoral scientist at the ESRF, at ESRF ID27 high pressure beamline. Credit: ESRF Examining conditions within the Earth’s interior is crucial not only to give us a window back to Earth’s history but also to understand the current environment and its future. This study, published in Nature Communications, offers an

An illustration from the paper showing oxygen and hydrogen cycling in the deep Earth. Credit: Image courtesy of Carnegie Institution for Science Reservoirs of oxygen-rich iron between Earth’s core and mantle could have played a major role in Earth’s history, including the breakup of supercontinents, drastic changes in Earth’s atmospheric makeup, and the creation of

UCI’s BedMachine ice mapping technique enabled the creation of a three-dimensional image of a portion of the northwest coast of Greenland. Ocean bathymetry is shown in blue and ice surface topography are displayed in white and orange. Credit: Mathieu Morlighem / UCI New maps of Greenland’s coastal seafloor and bedrock beneath its massive ice sheet

Tuning into memories. Scientists mapped and read sound memories in rat brains. Credit: Courtesy of Dr. Zador, Cold Spring Harbor Laboratory, N.Y. Lights, sound, action: we are constantly learning how to incorporate outside sensations into our reactions in specific situations. In a new study, brain scientists have mapped changes in communication between nerve cells as

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