The surprising discovery of methane in Mars's atmosphere could be a sign of life there. Researchers are now working out how to find its source, reports Katharine Sanderson.
This is a preview of subscription content, access via your institution
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Rent or buy this article
Get just this article for as long as you need it
Prices may be subject to local taxes which are calculated during checkout
Mumma, M. J. et al. Bull. Am. Astron. Soc. 35, 937 (2003).
Krasnopolsky, V. A., Maillard, J. P. & Owen, T. C. Icarus 172, 537-547 (2004).
Formisano, V., Atreya, S., Encrenaz, T., Ignatiev, N. & Giuranna, M. Science 306, 1758-1761 (2004).
Mumma, M. J. et al. Science 323, 1041-1045 (2009).
Lefèvre, F. & Forget, F. Nature 460, 720-723 (2009).
Oze, C. & Sharma, M. Geophys. Res. Lett. 32, L10203 (2005).
Katharine Sanderson is a reporter for Nature in London.
Related external links
ESA Workshop on methane on Mars
Rights and permissions
About this article
Cite this article
Sanderson, K. Planetary science: A whiff of mystery on Mars. Nature 463, 420–421 (2010). https://doi.org/10.1038/463420a
This article is cited by
Final frontiers: the hunt for life elsewhere in the Universe
Astrophysics and Space Science (2013)