For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...

The search for past or present life should be the top science objective of future human missions to Mars, a new National ...

For more than a century, astronomers debated the possibility of martian canali (channels) which Italian astronomer Giovanni Schiaparelli claimed to see on the Red Planet in 1877. Mistranslated into ...