Deciphering ‘cell talk’ to understand our evolution
By understanding how cells communicate, researchers including University of Melbourne hope to gain insights into how multicellular life first came to exist.
What happened to Mars’ atmosphere?
Nasa says the MAVEN spacecraft reveals Mars' atmosphere is blowing in the solar wind, and the stronger the wind is, the more dramatic the loss.
Running water = possibly life on Mars
Discovering liquid water on the Red Planet is a big step towards finding life forms, but don't get too excited just yet - definitive proof is still years away.