Black hole rips apart screaming star: In a distant galaxy, a star orbiting a massive central black hole strays too close to the insatiable giant and is torn apart. But before it can be devoured, the star lets out one last scream in a flare of light that slowly echoes across the galaxy. Astronomers on Earth pick up this faint call and use it to map the nucleus of the galaxy from which it emanated. [msnbc]
How did our planet form?: It’s astonishing what you can achieve with just a bit of gas and dust. Kate Ravilious guides us through the birth of our solar system. [Guardian]
Scars on Mars suggest recent glaciers: Orbiter images show that planet may have gone through many ice ages. [msnbc]
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