
Can we get electricity for Earth by putting solar panels in space? A new analysis suggests that one of the major problems can actually be overcome.

Yesterday, South Sudan began voting on whether to secede. The result could touch off devastating violence. But this time, satellites will be watching.

Fresh off the Global Work Party, our good friends at 350.org are at it again, creating art you can see from space.
There are more than 3,000 satellites orbiting earth. While we go about our daily lives, these contraptions are hard at work in our...