Planet 'reared' by four parent stars

Growing up as a planet with more than one parent star has its challenges. Though the planets in our solar system circle just one star—our sun—other more distant planets, called exoplanets, can be reared in families with ...

Size matters: Phones as big as they can get for easy use

There was a time you could count on phones getting larger each year. Samsung's runaway success with the big-screen smartphone even spurred Apple to release a supersized model last fall. But if phones get any bigger will they ...

Clinton email policy violated Obama administration guidance

Even if Hillary Rodham Clinton's use of a private email server to conduct official business as secretary of state was not illegal, it violated Obama administration guidance and undermined his pledge of historic transparency.

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