The analysis of a sediment core from an oasis lake in Chad provides new insights into the history of precipitation in the Sahara. The study, led by the University of Cologne, shows that a prolonged ...

A new group trip to Chad will launch next year, taking guests to explore some of the most striking landscapes anywhere in the Sahara. In the vast expanses of the desert sea, there are soaring peaks, ...

A cloud of dust escapes from an excavation site in the sand of Chad's arid north, where scientists are looking for signs of human habitation in an area once humid and called the "Green Sahara". The ...