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How crazy has this presidential election become? With dramatic ups and downs. It's become a thrill ride that won't end until Nov 5. We get analysis with Matthew Dowd, an American political pundit and consultant.
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While researchers have found more than 4,000 planets in our own galaxy, this is the first time anyone has found what could be a planet that exists outside the Milky Way.
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Astronomers using telescopes in Hawaii and California have found two exoplanets orbiting a star a mere 54 light-years away. The discovery is important for two big reasons.