http://www.bu.edu/phpbin/news/releases/display.php?id=1073
Researchers from Boston University have discovered the remnants of the largest crater of the Great Sahara of North Africa, which may have been formed by a meteorite impact tens of millions of years ago. Dr. Farouk El-Baz made the discovery while studying satellite images of the Western Desert of Egypt with his colleague, Dr. Eman Ghoneim, at BU's Center for Remote Sensing.

The double-ringed crater - which has an outer rim surrounding an inner ring - is approximately 31 kilometers in diameter. Prior to the latest finding, the Sahara's biggest known crater, in Chad, measured just over 12 kilometers. According to El-Baz, the Center's director, the crater’s vast area suggests the location may have been hit by a meteorite the entire size of the famous Meteor (Barringer) Crater in Arizona which is 1.2 kilometers wide.

Picture here: http://www.bu.edu/remotesensing/News/kebira/index.html

This isn't a new world record though: http://www.solarviews.com/eng/tercrate.htm

(In before /.)

So one big hole in the Sahara is bigger than another?

That's one way of looking at it.

Well, I'm excited!