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NASA Pinpoints Cause of Earth’s Recent Record Carbon Dioxide Spike

By Alan Buis | JPL/NASA, Dwayne Brown | NASA on Oct 15, 2017   Featured, Science/Education  

NASA Pinpoints Cause of Earth’s Recent Record Carbon Dioxide Spike

A new NASA study provides space-based evidence that Earth’s tropical regions were the cause of the largest annual increases in atmospheric carbon dioxide concentration seen in at least 2,000 years. Scientists suspected the 2015-16 El Nino — one of the largest on record — was responsible, but exactly how has been a subject of ongoing […]

NASA Research Suggests Mars Once Had More Water than Earth’s Arctic Ocean

By Dwayne Brown | NASA, Nancy Neal-Jones / Elizabeth Zubritsky | NASA's Goddard Space Flight Center on Mar 8, 2015   Featured, Science/Education  

NASA Research Suggests Mars Once Had More Water than Earth’s Arctic Ocean

A primitive ocean on Mars held more water than Earth’s Arctic Ocean, according to NASA scientists who, using ground-based observatories, measured water signatures in the Red Planet’s atmosphere. Scientists have been searching for answers to why this vast water supply left the surface. Details of the observations and computations appear in Thursday’s edition of Science […]

New Map Shows Frequency of Small Asteroid Impacts

By DC Angle JPL, Dwayne Brown | NASA on Nov 16, 2014   Featured, Science/Education  

A map released today by NASA’s Near Earth Object (NEO) Program reveals that small asteroids frequently enter and disintegrate in the Earth’s atmosphere with random distribution around the globe. Released to the scientific community, the map visualizes data gathered by U.S. government sensors from 1994 to 2013. The data indicate that Earth’s atmosphere was impacted […]

NASA’s MAVEN Studies Passing Comet and Its Effects

By Dwayne Brown | NASA, Guy Webster|Jet Propulsion Laboratory, Nancy Jones/Bill Steigerwald|Goddard Space FLight Center on Oct 20, 2014   Breaking News, Featured, Science/Education  

NASA’s newest orbiter at Mars, MAVEN, took precautions to avoid harm from a dust-spewing comet that flew near Mars today and is studying the flyby’s effects on the Red Planet’s atmosphere. The MAVEN spacecraft — full name Mars Atmosphere and Volatile Evolution — reported back to Earth in good health after about three hours of […]

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