CONTRARY to last week, life has not been found on Mars. But the most sensitive measurements ever made of atmospheric methane – which on Earth is produced mostly by organisms – highlight a few places where life may exist unseen.
Methane was first discovered on Mars in 2003. Since then, some observations have suggested that it is not distributed evenly across the planet, instead hinting at wide areas where the gas is abundant.
Now, a team led by Michael Mumma of the Goddard Space Flight Center in Greenbelt, Maryland, has pinpointed methane plumes in three areas just…
