Archives

Earth: January 2018



The Copernicus Sentinel-2 mission takes us over part of the Yukon Delta in the US state of Alaska.


A new study has found that dust, not spring warmth, controls the pace of spring snowmelt that feeds the headwaters of the Colorado River.


An international scientific effort determined the cause of a highly unusual and deadly glacier avalanche in Tibet in 2016, a new Nature Geoscience paper says.


The Copernicus Sentinel-2A satellite takes us over part of northern Brazil's Marajó island in Pará state.


Earth's global surface temperatures in 2017 ranked as the second warmest since 1880, according to an analysis by NASA.


Scientists have been working to identify the ways in which our warming seas are affecting other Earth systems, including life in the ocean.


The Copernicus Sentinel-2 mission has captured rare snowfall in northwest Algeria, on the edge of the Sahara desert.


For the first time, scientists have shown through direct observations of the ozone hole by a satellite instrument, built by NASA's Jet Propulsion Laboratory in Pasadena, California, that levels of ozone-destroying chlorine are declining, resulting in less ozone depletion.


On December 31, 2017, the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite captured this image of a strong band of lake-effect snow moving across Lake Michigan.


A new NASA-led study has solved a puzzle involving the recent rise in atmospheric methane, a potent greenhouse gas, with a new calculation of emissions from global fires.


One of the first images acquired by the Suomi NPP satellite in 2018 was this clear nighttime view of the northeastern United States.