Burley Garcia|Elon Musk's skyrocketing net worth: He's the first person with over $400 billion

Victorious in the last two Super Bowls, the Kansas City Chiefs have a chance to win three in a row w

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Investors’ efforts to get energy and utility companies to set greenhouse gas reduction targets and d

UN to Pick Costa Rican as New Climate Chief: Sources (Reuters) Veteran Costa Rican climate diplomat

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NEW YORK — The head of nation's top public health agency on Wednesday announced a shake-up of the or

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President Obama rejected TransCanada’s permit to build the Keystone XL pipeline on Friday, ending a

Everyone's favorite serial killer is back in a new series – and this time, we get to delve into his

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Updated with details from the June 4 court hearing.The 21 children and young adults suing the federa

An unresponsive airplane flying over Washington, D.C., on Sunday prompted military fighter jets to i

WELLINGTON, New Zealand (AP) — A New Zealand immigration official has overturned a ban on the U.S. c

Like Miami, the low-lying coastal city where Democrats will hold their first presidential debates of

Polio is the disease most people thought we had put behind us here in the United States. But earlier

New York counties gear up to fight a polio outbreak among the unvaccinated