Live coverage of the countdown and launch of an International Launch Services Proton rocket with the Yamal 401 communications satellite for Gazprom Space Systems. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
Mission Reports
ExoMars orbiter and lander mated for final time
News
Launch failure probe prompts engine swap on Soyuz crew’s rocket
Russian engineers will replace rocket engines on two Soyuz rockets assigned to send a batch of supplies and the next crew to the International Space Station after an investigation revealed foreign objects or a manufacturing defect led to the crash of a Progress cargo craft on launch in December, according to Russian media reports and a statement from the Russian space agency.
