Scientists use continuous measurements to observe a complicated process in the Earth’s magnetosphere.
Currently, five spacecraft are investigating Mars, and a swarm of new missions will follow. Clues to where they should focus investigations can be gleaned from the planet’s new geologic map.
NASA’s New Horizons spacecraft, which is en route to explore Pluto and its planetary system in 2015, crossed the orbit of Neptune on 25 August.
Where will the next Mars rovers will land? Think of the selection process as the science fair to end all science fairs, where participating scientists get first looks at the newest Mars data.
Why are coronal mass ejections from the current solar cycle wider than others? Researchers investigate.
The European Space Agency’s Josef Aschbacher talks with Eos about the new Sentinel fleet of Earth observing satellites.
Scientists determine the length of a day on Saturn with help from a mysterious atmospheric structure.