Jessica Housden adjusts the ExoMars project's rover 'Bridget' at Leicester University, England, on June 4, 2010

Jessica Housden adjusts the ExoMars project’s rover ‘Bridget’ at Leicester University, England. The European Space Agency (ESA) said it signed a deal on Thursday with its Russian counterpart to launch two unmanned missions to Mars, a quest that was rocked by a US pullout last year.