This ultraviolet image, captured by NASA’s Solar Terrestrial Relations Observatory (STEREO) Ahead spacecraft on February 12, 2010, shows solar storms brewing in two active areas of the Sun.
Published Mar 20, 2010
An astronaut caught a glimpse of the aurora australis while looking out across the Indian Ocean.
Published Jul 2, 2017
A solar flare and coronal mass ejection in mid-July 2012 raised the possibility of geomagnetic storms and auroras.
Published Jul 14, 2012
A new constellation of satellites from the European Space Agency can detect minuscule changes in the planet’s magnetic field.
Published Sep 7, 2014
Earth is a great magnet, and scientists have spent a century exploring its shape and structure. This visualization shows the magnetic field around Earth, or magnetosphere.
Published Apr 23, 2011
Fiery arcs rise above an active region on the surface of the Sun in this pair of images of a coronal mass ejection on January 27, 2010.
Published Feb 13, 2010
After 35 years, the Voyager 1 space probe is farther from Earth than any manmade object has ever flown.
Published Sep 5, 2012
A stunning aurora appeared over Hudson Bay in March, historically the most geomagnetically active month.
Published Mar 29, 2019
Astronauts on the International Space Station captured these views of the aurora australis and wildfires in Australia.
Published Sep 27, 2011
