After four months aboard the International Space Station, three Expedition 33 crewmembers returned to Earth in their Soyuz spacecraft, making a rare night landing in a remote area of Kazakhstan. (NASA)
Antarctica’s Sheldon Glacier with Mount Barre in the background. This photo was taken by scientists participating in a new NASA/British Antarctica Survey studying the effects of climate change on Antarctic sea ice cover. (British Antarctic Survey)
The Large Underground Xenon (LUX) detector is an important tool in scientists’ search for dark matter, one of nature’s most elusive particles. This is a top-down view of the copper photomultiplier tube mounting structure, a key component of the detector. (Lawrence Livermore National Laboratory)
An adult female walrus sits on an ice floe just off the Eastern Chukchi Sea in Alaska. (S.A. Sonsthagen/USGS)
The Sun recently experienced two prominent eruptions, which occurred one after the other over a four-hour period. Fortunately, the expanding particle clouds shooting into space weren’t directed at Earth. (NASA)
A view of the countryside in Binghamton, NY as seen from inside a US National Weather Service radar radome (which protects radar components from the elements). The weather radar was recently taken offline so that repairs could be made. (NOAA/NWS)
Titan, the world’s most powerful and fastest supercomputer, is located at the Oakridge National Laboratory in Tennessee. Titan’s computational capability is on par with each of the world’s 7 billion people being able to carry out 3 million calculations per second. (Oakridge National Laboratory)
A group of galaxies glows like fireflies on a dark night in this image snapped recently by the Hubble Space Telescope. (NASA)
A cluster of lightning over a US National Severe Storms Lab Probe minivan which measures weather statistics as it travels through storms. (NOAA)
Scientists at the U.S. Department of Energy’s (DOE) Ames Laboratory are working to more effectively remove a rare earth element (group of closely related metallic elements) called neodymium from the mix of other materials in a magnet. Here rare-earth magnet scraps are melted in a furnace with magnesium. (DOE/Ames Laboratory)
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