Planetary scientist Fran Bagenal explains how each NASA mission builds on previous discoveries and encourages scientists to take on difficult challenges to learn more about our home in the universe.Read More »Planetary Sciences
Independent ground-based observations of the Moon confirm prior spacecraft observations that hydration at the lunar surface varies with temperature.Read More »Natural Hazards
Heliospheric imaging data can be used in ensemble modeling of CME arrival time at Earth to improve space weather forecasts, treating the solar wind as a 1-D incompressible hydrodynamic flow. Read More »Planetary Sciences
A new journal special collection investigates the ejection of particles from the asteroid Bennu and the implications of these observations for asteroid science.Read More »Atmospheric Sciences
Concurrent detection from space and the ground of blue optical flashes from streamer corona discharges at altitudes between 8.5 and 14 kilometers and radio waves.Read More »Atmospheric Sciences
A layer of nickel of cosmic origin, which exists between 80 and 110 km high in Earth’s atmosphere, has been modeled for the first time, including dynamics and complex neutral and ion chemistry.Read More »Planetary Sciences
This month’s issue of Eos shows how scientists can sometimes get a better look at something by stepping far—much, much farther—away.Read More »Planetary Sciences
A new study of small impact craters at Mars landing sites suggests that active processes degrade and infill depressions at similar rates in locations separated by thousands of kilometers.Read More »Planetary Sciences
Un rayo en el planeta Tierra necesita sólo algunos simples ingredientes para generar una chispa. Esos ingredientes existen en todo el sistema solar y más allá.Read More »
