The most high-resolution map yet reveals something we previously never knew about: an ancient ocean floor that may wrap around the core. This thin but dense layer exists around 2,900 kilometers below the surface.
There may have been as many as 100 sinkholes in and around the two communities. Some of the holes appeared in remote areas, while many others appeared within yards from people's homes or beneath homes.
European Space Station observatory has recorded five blue flashes from the top of a storm cloud, one of which ended with a blue jet streaking high into the stratosphere. Our understanding of these blue jet lightnings is limited.
The Hypatia stone - pebbles found in Egypt, have been known to have come to Earth from somewhere else. But new research shows they are even more alien, having been formed outside of our solar system and even before our sun existed.
While scientists have been aware of the Earth’s humming since 1959, with more definitive research emerging in 1998, the source of the sounds remains a mystery.