A team of archaeologists in Mexico encounter an amorphous, blob-like monster that appears to be connected with the collapse of the Mayan civilization.

Archaeologists investigating some Mayan ruins come across a blob-like monster. They manage to destroy it with fire, but keep a sample. Meanwhile, a comet is due to pass close to the Earth - the same comet passed near the Earth at the time the Mayan civilization mysteriously collapsed. Coincidence?—James Barrett <[email protected]>