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E-7A Wedgetail over New South Wales (click to view full) The island continent of Australia faces a number of unique security challenges that stem from its geography. The continent may be separated from its neighbors by large expanses of ocean, but it...

JUNE 6 In History 1242: Two dozen wagonloads of Talmudic volumes and 200 other rabbinic manuscripts were burned at Paris. 1247: Pope Innocent IV contacts the king of Navarre. In a dispatch he requested the king compel Christian debtors to pay off their...

Some Magnificent f Artwork Steven F. Udvar-Hazy Center: Hawker Hurricane Mk. IIC, with Northrop P-61C Black Widow, B-29 Superfortress “Enola Gay”, and SR-71 Blackbird in the background Image by Chris Devers See more photos of this, and...

We've detailed a lot of our favorite things out of Facebook's new Audience Optimization tool, which provides over 282,000 listings of things that Facebook believes its users are interested in. Facebook designed its tools so that publishers can target...

Today’s collection of headlines from the worlds of politics, economics, and the environment — plus the latest episode of Fukushimapocalypse Now! Beguns with a frightener from The Observer: Why global recovery could depend on China&rsquo...