Since its arrival at comet 67P/Churyumov-Gerasimenko, the European Space Agency’s Rosetta spacecraft has been surveying the surface and the environment of this curiously shaped body. But for a long time, a portion of the nucleus — the dark, cold regions around the comet’s south pole — remained inaccessible to almost all instruments on the spacecraft. […]
Months of warning signs from Mauna Loa, on Hawaii’s Big Island, prompted the U.S. Geological Survey to recently start releasing weekly updates on activity at the world’s largest active volcano. For now, such warning signs can only rely on external clues, like earthquakes and gas emissions. But a University of Washington simulation has managed to […]
While most of the state of Alaska was out of luck and was not able to observe the total eclipse coupled with the Supermoon, Alaskans had the best luck observing a portion of the event if they were in the eastern and southeastern portions of the state. The rare supermoon/eclipse occurred prior to sunset in […]
Researchers in Alaska have found the earliest known evidence that Ice Age humans in North America used salmon as a food source, according to a new paper published this week in the Proceedings of the National Academy of Sciences. The findings counter traditionally held beliefs that Ice Age Paleoindians were primarily big-game hunters. They are […]