One rock, as big as a football field, careening through space on an elliptical orbit that lasts four years, suddenly found itself one of the most observed bodies in our solar system, according to NASA ...

A dormant volcano in Ethiopia erupted after 10,000 years of silence. This event shows how the world's little-known volcanoes ...

ESA’s Hera mission is two-year flight to the Didymos binary asteroid system. See its trajectory here. Credit: ESA - European ...