Live coverage of the ExoMars Trace Gas Orbiter and the Schiaparelli lander arriving at Mars. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.

Comet 2020 F3 (NEOWISE) is putting on a fine showing in the pre-dawn northern sky after emerging intact from perihelion (closest point to the Sun).

When a European landing probe goes for a daring touchdown on a comet Wednesday, officials say it would help to have a little luck on their side.