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

Looking back at the franchise's big screen moments.

Mission to investigate whether tiny organisms live in ocean volcanoes on icy Enceladus planned by European Space Agency ...

Explore 25 of Earth's most incredible extremes, from Everest's peak to the Mariana Trench. Discover the planet's hottest, ...