Earth-like planets may be common

The recent discovery of three Earth-like planets has scientists wondering if similar celestial bodies are a dime a dozen. It's good news for alien enthusiasts."WASHINGTON — European researchers said on Monday...

Look, It's a Super Earth!

Not just one, in fact, but three:"Astronomers have identified a trio of so-called "super-Earths" - rocky planets between two and 10 times the mass of Earth.The three new planets were detected using the Harps instrument at the La Silla Observatory in central Chile.The star...

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