Mars Express confirms methane

During recent observations from the ESA Mars Express spacecraft in orbit around Mars, methane was detected in its atmosphere.

Whilst it is too early to draw any conclusions on its origin, exciting as they may be, scientists are thinking about the next steps to take in order
to understand more.

Read more:
http://www.esa.int/SPECIALS/Mars_Express/SEMZ0B57ESD_0.html