IMAGINE living next to a volcano that could explode at any moment and take out half of the city. This is the most painful and dangerous waiting game. “Ash,” he replies, looking at the dark grey column ...

QUITO (Reuters) - Ecuador's President Rafael Correa on Saturday declared a state of emergency following increased activity the day before at the giant Cotopaxi volcano, giving the government greater ...

Blue growth rings found in woody plant stems represent years when cells did not lignify properly because of summers too cold for growth When the going gets cold, even tough trees struggle with growing ...