Astronomers using NASA’s Interface Region Imaging Spectrograph have captured extraordinary footage of a colossal coronal mass ejection erupting from the Sun. A colossal CME burst off the side of the Sun on May 9, 2014. Image credit: NASA’s Goddard Space Flight Center. The Interface Region Imaging Spectrograph (IRIS) was launched in June 2013 to observe how solar material moves, gathers energy, and heats up as it travels through a little-understood...