LifeWorld's loneliest bug turns up in Death Valley A microbe that survives deep below Earth's surface without the sun's energy has reappeared, in California 51¶¯Âþ
LifeMeteorite's left-handed molecules a blow to ET search The handedness of molecules might not be a strong sign of life after all, complicating the hunt for extraterrestrials 51¶¯Âþ