The first dimension is height, the second is width, the third is depth, and the fourth is time, but no one has yet been able to explain what is the fifth dimension.
This is a real danger that we can face if we are not properly protected against space objects that are on a collision course with Earth.
The Bohol Hills are one of the main tourist attractions in the Philippines and their unexplained formation is surrounded by legends.
Officials in the country have announced plans to build a lunar base by 2030.
The secrets revealed of the incredible city in the clouds built by the Incas.
The waters below Antarctica are amongst the most inhospitable environments on our planet, or so we thought.
To this day, no one knows for sure what happened to the first English settlement in America.
On some sunny day you must have come across this circle with the colors of the rainbow around the Sun.