An artist's impression of the Venus Express orbiting Venus is provided by the European Space Agency on November 28, 2007. Scientists unveiled a series of findings from the Venus Express mission to the planet closest to Earth not just in distance, but also in size. Lightning crackles in the atmosphere of Venus, sometimes dubbed Earth's "evil twin", while the meagre remnants of suspected bygone oceans continue to be whipped off the planet and lost to space, the scientists said. [Agencies]