The European-led Mars lander is approaching the Red Planet as part of the ExoMars mission between the European Space Agency and Russia's Roscosmos. The lander will be searching for signs of alien ...
Astrobiologist Dirk Schulze-Makuch, from the Technische Universität Berlin in Germany, believes that humans may have unintentionally killed life on Mars in the 1970s. NASA's Viking 1 mission in 1976 ...