Heaven's War

When it first appeared, the astronomers named the asteroid Keanu.
A Near-Earth Object from a distant constellation, it
was headed directly toward our sun.
But when we went to meet it, Keanu turned out to be
far more than a huge rock hurtling through space. . . .
" "
The two teams of astronauts sent to explore Keanu discovered it is, in fact, a spacecraft--a giant ship with an alien crew. A ship traveling toward Earth with a mission and a message: "Help us." A brave new frontier beckons. But we are about to learn that it comes with a price. . . . Without warning, the aliens transport small groups of humans from the competing scientific communities of Houston, Texas, and Bangalore, India, to the vast interior habitats of Keanu. The first challenge for those transported is to survive. The second, to discover why the Architects--the unknown, unseen aliens controlling the asteroid--brought them there. And soon a third challenge emerges: They must find a way to take control of Keanu. Because the NEO is moving again--away from Earth. The Architects are headed home....