Earth changes

The Antarctic Sun: News about Antarctica

Photo Credit: Peter Rejcek Diver Rob Robbins, left, prepares to lead Lily Simonson on a dive into McMurdo Sound. Robbins first came to Antarctica in 1979 and has been back every year since – one of four people still working in the U.S. Antarctic Program 35 years later. Four USARP — er, USAP — ...

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The Antarctic Sun: News about Antarctica

Scientists investigate how Weddell seals navigate under sea ice By Peter Rejcek, Antarctic Sun Editor Posted December 22, 2014 Weddell seals spend much of their lives swimming and hunting for prey underneath Antarctic sea ice. These marine mammals – capable of diving down hundreds of meters in the frigid waters of the Southern Ocean for nearly an hour at a ...

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The Antarctic Sun: News about Antarctica

Photo Credit: Peter Rejcek MacOps operator Alyssa Hartson handles radio traffic while McMurdo Station communications supervisor Shelly Campbell and operator Sage Asher discuss work schedules. MacOps monitors all field party communications. McMurdo Station communications department serves as nerve center for fieldwork  By Peter Rejcek, Antarctic Sun Editor Posted December 19, 2014 It’s mid-morning on a ...

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A Clear View of Scottish Highlands : Image of the Day

Looking out from a window on the International Space Station, an astronaut captured this rare photograph of the Scottish Highlands. Cloud-covered skies are common for the region and typically prevent landscape photography from space, especially during the winter months (when this image was taken). The topography of the Scottish Highlands is the result of geological processes spanning billions of years. ...

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The Antarctic Sun: News about Antarctica

Photo Credit: Dale Andersen Cyanobacteria form thick mats in the bottom of Lake Joyce that feature webbed pinnacles called microbialites, partly composed of calcium carbonate, the same mineral that makes up coral reefs. The structures are similar to those built by organisms in Earth’s early history. Bacterial mats in Dry Valleys lake sheds light ...

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The Antarctic Sun: News about Antarctica

Photo Credit: Laura Gerwin Katy House reaches for a wrench while working on a Challenger tractor. At age 27, House is the first female mechanic to work on the South Pole Traverse. Katy House works as first female diesel mechanic on South Pole Traverse By Laura Gerwin, Special to theSun Posted January 2, 2015 Katy House thought ...

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The Antarctic Sun: News about Antarctica

Photo Courtesy: Doug Wiens Scientists and engineers install a seismic station on the Ross Ice Shelf by snowmobile. This season they installed the most extensive network of seismographs ever deployed on an ice shelf to study wave interactions and the deep earth below. Pair of projects examine Ross Ice Shelf from top to bottom and beyond By Peter Rejcek, Antarctic ...

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The Antarctic Sun: News about Antarctica

Photo Credit: Wesley B. Harding A man installs an antenna on a tower near McMurdo Station for an experiment during the 1963-64 field season called Antarctic Forward Scatter Radio Propagation Network. A son connects to his father through the decades from Antarctic field camp By Ben Harding, Special to the Sun Posted January 16, ...

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The Antarctic Sun: News about Antarctica

Photo Credit: Reed Scherer Instruments are deployed down the borehole at the Ross Ice Shelf grounding zone. Scientists are studying the dynamics at play where the ice shelf is vulnerable to becoming destabilized, which would cause glaciers to flow faster and sea level to rise. In the process, they found life in a remote area ...

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Mountains in the Sky : Image of the Day

If you were standing outside in the Mid-Atlantic region on April 17, 2018, and looked up in the afternoon, you may have noticed long, linear rows of clouds overhead. The clouds looked pretty remarkable from above as well. “Holy gravity waves” was how meteorologist Dakota Smith put it, when he tweeted an animation of satellite imagery that showed the wave ...

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