Whilst vaccines exist for animals, none are commercially available for human use for the mosquito-borne virus.

A geologically dynamic region in the Great Rift Valley is closely watched by scientists as a fascinating natural laboratory.

Africa is slowly tearing itself in two. Scientists predict that this seismic split, currently in its infancy, will one day divide the continent into two separate landmasses. While this ...

Series exploring east Africa's Great Rift Valley. On the vast savannahs, grazers and predators struggle to outwit each other, forcing primates to develop social systems. Show more Visible from ...

The Great Rift Valley channels a huge diversity of waterways - rivers, lakes, waterfalls, caustic springs and coral seas - from Egypt to Mozambique. Show more Visible from space, Africa's Great ...