Israelis go to the polls in general elections Tuesday with hard-liner Benjamin Netanyahu expected to become the country's next prime minister. Israel's neighbor to the north is concerned. Lebanon is still rebuilding after its war with Israel in 2006...
New findings from an American space rover on Mars show that much of the planet might have been too salty to sustain life. But scientists are not ruling out the possibility of life altogether, as Sky's Alistair Bunkall reports Of all the planets in t...