1. The past and future habitability of planet Mars
Michael Gross 
Current Biology 
Volume 24, Issue 5, Pages R175-R178 (March 2014)
DOI: /j.cub
Copyright © Terms and Conditions

2. Red planet: Mars is tantalisingly Earth-like in many respects, but took a different turn when it lost much of its atmosphere early on. Five space probes are currently active in its exploration. (Photo: NASA/JPL.)
Current Biology  , R175-R178DOI: ( /j.cub )
Copyright © Terms and Conditions

3. Curious character: A selfie of the rover Curiosity produced shortly after landing. By combining several takes, the editing removed the camera arm from the final mosaic image. (Photo: NASA/JPL-Caltech/Malin Space Science Systems.)
Current Biology  , R175-R178DOI: ( /j.cub )
Copyright © Terms and Conditions

4. Digging deep: A drill hole produced by Curiosity to investigate the Sheepbed mudstone in Yellowknife Bay, Gale crater. Within the fine-grained mudstone, fractures filled with sulphate minerals can be seen. (Photo: NASA/JPL-Caltech/MSSS.)
Current Biology  , R175-R178DOI: ( /j.cub )
Copyright © Terms and Conditions

5. Martian colony: The non-profit company Mars One aims to send the first four settlers to Mars in Before their arrival, a rover will prepare their accommodation from capsules sent on several previous cargo missions. (Photo: Bryan Versteeg/Mars One.)
Current Biology  , R175-R178DOI: ( /j.cub )
Copyright © Terms and Conditions