Houthi rebels say the strike hit a prison, Saudi Arabia said it targeted a drone and missile base. View original article at BBC World News

Mars helicopter drone installed on NASA`s next Red Planet rover  AZERTAC NewsESA’s ExoMars rover is ready for environmental testing ahead of 2020 landing on Mars  FirstpostNASA space helicopter set for record breaking Mars journey  Buzz.ieNASA launches Mars 2020 Name the Rover essay contest for school students  Jagran JoshNASA invites students to name Mars 2020 rover  India TodayView full coverage on Google News View original article