ESA's Hera spacecraft inaugurated use of its science instruments to image the smaller of the planet's two moons, Deimos.

Space probe Hera passed Mars while on its way to the Didymos asteroid system as part of planetary defence mission. View on euronews

On the way to investigate the scene of a historic asteroid collision, a European spacecraft swung by Mars and captured rare images of the red planet’s mysterious small moon, Deimos, the European Space Agency said on Thursday.