Hubble Space Telescope observations suggest that sodium chloride exists in young, geologically active regions on Europa, likely fed by upwelling from the moon’s subsurface ocean.
Katherine Kornei
Katherine Kornei is a freelance science journalist covering Earth and space science. Her bylines frequently appear in Eos, Science, and The New York Times. Katherine holds a Ph.D. in astronomy from the University of California, Los Angeles.
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Microbes Spotted in “Polyextreme” Hot Springs
Hot springs that are as acidic as battery acid are home to single-celled microorganisms that may indicate that life could have been sustained on ancient Mars.
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Ultraprecise Clock Will Facilitate Space Exploration
NASA’s Deep Space Atomic Clock, slated to launch later this month for a demonstration flight, will help spacecraft more efficiently navigate the solar system.
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Ceramics Trace a 14th Century Indonesian Tsunami
Archaeological evidence suggests that communities on the northern coast of Sumatra devastated by a tsunami roughly 600 years ago opted to rebuild in the same area, a process repeated in 2004.
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Many Water Cycle Diagrams Promote Misconceptions
Most representations of the water cycle are flawed, researchers found by analyzing over 450 diagrams: The effects of humans, seasonal changes, and different biomes are often neglected.
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National Academy Can Now Expel Scientists in Cases of Misconduct
Members of the National Academy of Sciences recently voted that membership in the 156-year-old institution can be revoked in cases of “egregious violations” of its Code of Conduct.
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Eruption in El Salvador Was One of the Holocene’s Largest
Roughly 1,500 years ago, the Tierra Blanca Joven eruption blanketed Central America in ash and likely displaced Maya settlements, new research shows.
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More Than 30,000 Earthquakes Trace the Movement of Magma
Seismometers near Iceland’s Bárðarbunga volcanic system pinpointed thousands of earthquakes in 2014–2015, revealing where molten rock was moving underground before any eruptions occurred.
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Warm Water Is Rapidly Eroding Antarctica’s Ross Ice Shelf
The underside of the world’s largest ice shelf is melting—by meters per year in some places—because of the seasonal inflow of water heated by the Sun, observations of the White Continent reveal.
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More Than a Million New Earthquakes Spotted in Archival Data
By reanalyzing seismic records, researchers found a plethora of tiny earthquakes in Southern California that trace new fault structures and reveal how earthquakes are triggered.