NASA scientists are crisscrossing the globe in 2017 to investigate critical scientific questions about how our planet is changing and what impacts humans are having on it.
Scientists are exploring undersea volcanoes, monitoring coastal erosion along hard-to-reach shorelines, and studying the movement of sea ice – all in real time.
A jet stream within the Earth's molten iron core has been discovered by scientists using the latest satellite data that helps create an 'x-ray' view of the planet.