Tesseract

The Tesseract appeared in our skies six days ago, over the exact magnetic north of the planet. It was the size of a city block. Since that time it has been condensing, collapsing upon itself. It can now fit into the palm of your hand. Our world’s best minds must now find a way to contain and control the reactions of this alien artifact, or its exponentially increasing destructive power will remove our planet from existence, reconfiguring our space and time to the extra-dimensional needs