A strange UFO sighting in Susa Valley, Italy, leads to the construction of Sacra di San Michele, and according to theorists, ...

The 300-foot-tall anomaly, which stands in stark relief to its lunar surroundings, has intrigued observers for years. More ...

Exoplanet Beta Pictoris b can be seen moving around its star in this 17-year timelapse created using "AI-driven ...