Beagle 2 Beagle 2 The Beagle 2 was a British Mars lander that was transported by the European Space Agency's 2003 "Mars Express" mission. It was an astrobiology mission that would have looked for past life on the shallow surface of Mars. The spacecraft was successfully deployed from the "Mars Express" on 19 December 2003 and was scheduled to land on the surface of Mars on 25 December; however, no contact was received at the expected time of landing on Mars. ESA declared the mission lost in February 2004, after numerous attempts to contact the spacecraft were made. The "Beagle 2" fate
Mars 4 Earth parking orbit before the Blok D fired to propel Mars 4 into heliocentric orbit bound for Mars. Shortly after performing a course correction on 30 July 1973, two onboard computers failed, leaving Mars 4 unable to perform manoeuvres. As a result of this, it was unable to enter orbit around Mars. A small amount of data was returned as the probe flew past Mars on 10 February 1974, with a closest approach of at 15:34 UTC. Mars 4 Mars 4 (), also known as 3MS No.52S was a Soviet spacecraft intended to explore Mars. A 3MS spacecraft launched as