*Is dark matter mystery about to be solved?*
About a quarter of the cosmos is thought to be made of dark matter, yet no one has ever found any. In 2008, that could change

*Dark energy may just be a cosmic illusion*
A simple trick of gravity could open the door to a much brighter view of the cosmos

*Did we learn to walk in the trees?*
It has long been assumed bipedalism only evolved after our ancestors came down from the trees, but now this orthodoxy is being challenged

*The cyborg animal spies hatching in the lab*
Scientists are creating a new generation of cyborg insects with implants that control their every move.