War-weary South Sudanese exiles reluctant to return
Number of returning refugees dropped over last two years amid fears of war
Bashir sets Thursday deadline for Darfur talks
Negotiations have made little progress in ending conflict, which this month has driven more than 12,000 from homes
Clooney, Google, UN watch Sudan using satellites
Early warning satellite project launched to watch Sudan for potential war crimes before referendum
Could independence signal end of hunger in south Sudan?
Between 20 and 50 percent of south Sudan's population requires food aid each year
South Sudan army, renegade force clash kills 14
Clash raises tensions ahead of January independence vote