Mexico ufologist Jaime Maussan investigates claims of a small, "humanoid creature" in the Valley of Juárez.

This strange sea creature looks like an alien and may be far smarter than anyone ever expected an animal to be ...

Lizard silhouette on brown sand surface A mysterious, pale creature reported to be snatching chickens from residents' ...

Newly-declassified US government documents show strange drawings of alleged alien sightings from Utah in 2010.

People in Arizona keep spotting 'chupacabras.' Photos, sightings and what we actually know.

Add Yahoo as a preferred source to see more of our stories on Google. The animal in the video is a predatory sea slug called Melibe viridis, a type of nudibranch found in Indonesian waters. To feed, ...

The Arctic whales are the only known animals with straight tusks, and ones that consistently twist to the left. New research ...

For a few strange summer nights, a lakeside community outside Fort Worth found itself hunting a creature that seemed to ...

Strange reports of a chicken-stealing creature near El Paso have sparked wild theories, including claims that it could be ...