uk space
But astronomers aren't quite sure why.
Scientists argue satellites could do the same job at a 'fraction of the cost'.
The space agency just won the award for best internship...
The researchers believe that periods of brightening and dimming lend weight to the "hibernation theory".
It threatens to collide with our planet in the 22nd century.
If the force is confirmed, it could redefine our understanding of the universe.
It could lead to the holy grail of intelligence: 'Unhackable' messages.
Now it's a toasty 462 degrees...