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How could we build an invisibility cloak to hide Earth from an alien civilization?

It’s only fair to share…How could we build an invisibility cloak to hide Earth from an alien civilization? David Kipping, Columbia University What would it take to hide an entire planet? It sounds more like a question posed in an episode of “Star Trek” than in academic discourse, but sometimes the bleeding edge of science… Read more »

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Hubble in pictures: astronomers’ top picks

It’s only fair to share…Hubble in pictures: astronomers' top picks Tanya Hill, Museum Victoria In this special feature, we have invited top astronomers to handpick the Hubble Space Telescope image that has the most scientific relevance to them. The images they’ve chosen aren’t always the colourful glory shots that populate the countless “best of” galleries… Read more »

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Life beyond Earth? There may be thousands more exoplanets in our galaxy

It’s only fair to share…Life beyond Earth? There may be thousands more exoplanets in our galaxy Johanna Jarvis, The Open University The number of confirmed planets orbiting stars other than the Sun in our galaxy is rapidly growing. The unusual configurations and locations of these so-called “exoplanets” amaze and challenge our understanding of the universe…. Read more »