Manifold: Origin
Manifold: Origin is a science fiction novel by Stephen Baxter.
In the year 2015, astronaut Reid Malenfant is flying over the African continent, intent on examining a mysterious glowing construct in Earth's orbit. But when the very fabric of the sky tears open, spilling living creatues to the ground and pulling others inside (including his wife, Emma), Malenfant's quest to uncover the unknown becomes personal. While desperately searching to discover what happened to the woman he loves, Malenfant embarks upon an adventure to the very fount of human development...on Earth and beyond.