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Vesta, the second-largest object in the asteroid belt, is bright enough to be seen from Earth without a telescope. Now, thanks to NASA's Dawn spacecraft, scientists can take a much closer look at Vesta. Articles about ASTRONOMY: http://www.scoop.it/t/science-news?tag=astronomy 
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A new international consortium has been set up to figure out what Earthlings could do if an asteroid came hurtling towards the planet on a path of imminent destruction.
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Who says NASA has lost interest in the moon? Along with rumours of ahovering lunar base, there are reports that the agency is considering a proposal to capture an asteroid and drag it into the moon's orbit. Researchers with the Keck Institute for Space Studies in California have confirmed that NASA is mulling over their plan to build a robotic spacecraft to grab a small asteroid and place it in high lunar orbit. The mission would cost about $2.6 billion – slightly more than NASA's Curiosity Mars rover – and could be completed by the 2020s.
Sakis Koukouvis's insight:
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Unexpected new findings by geochemists show that some portions of the Earth's mantle (the rocky layer between Earth's metallic core and crust) formed when the planet was much smaller than it is now, and that some of this early-formed mantle...
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In a nutshell, Impact: Earth! is an interactive tool that lets anyone calculate the damage a comet or asteroid would cause if it happened to collide with our planet. You can customize the size and speed of the incoming object, and then find out if mankind survives. (Usually it does.) A grainy primer appears below.