Researchers identify the genetic source of fatal tumours that are driving Tasmanian devils towards extinction.
Mangroves, Dunes, and Desert on Baja California
Pale fields of sand dunes are interspersed with deep green, mangrove-lined streams on the southern Baja Peninsula.
A look back at 2009's most striking wildlife discoveries
From a new species of giant rat to ants that took over the world, 2009 was a striking year for new discoveries about wildlife.
Nasa picks three in space contest
Nasa has chosen three front runners among proposals for the next space mission in its New Frontiers program.