What do volcanic plumes look like from space?

A new rule that prohibits Germany's petrol stations from hiking prices more than once day is unlikely to bring down costs for motorists, consumer experts said on Thursday one day after the restriction took effect. "At the moment, it doesn't look as though the new rule will actually make filling up any cheaper," Ramona Pop, head of the Federation of German Consumer Organizations, told dpa.

From a race with China to lunar discoveries, the US is investing time, effort and money to head to the Moon - and beyond.