Twitter seeking to buy TweetDeck: WSJ

Twitter is in "advanced talks" to buy TweetDeck, a popular platform for accessing the service, for some $50 million, The Wall Street Journal reported Monday.

Despite Gulf tragedy, more spills possible: Allen

The United States cannot rule out another oil disaster in its waters, the official who led the response to last year's Gulf of Mexico spill told AFP, as the country marks one year since the tragedy.

NASA awards $270 million in spaceship contracts

NASA on Monday announced it has awarded nearly 270 million dollars to four companies, including Boeing and SpaceX, to help their pursuit of making a spacecraft to replace the US space shuttle.

Pacific salmon may be dying from leukemia-type virus

In Canada's Fraser River, a mysterious illness has killed millions of Pacific salmon, and scientists have a new hypothesis about why: The wild salmon are suffering from viral infections similar to those linked to some forms ...

ProPublica wins Pulitzer with digital-only series

ProPublica, a non-profit news startup, scooped up a Pulitzer Prize on Monday, its second in two years and the first ever for a series of stories that were not also published in print.

Rings reveal extensive yearly climate record

A new study of the oldest trees in Mexico provides the first ever detailed, year-by-year look at the climate of Mesoamerica over a thousand-year span. The data, gathered from the annual growth rings in trees, supplies precise ...

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