Mediacom world news portal
Aliens have not contacted Earth as yet because they probably live in underwater civilizations. That’s a new theory presented by planetary scientist, Alan Stern from the Southwest Research Institute in Boulder, Colorado. He’s concluded that our alien neighbors live in subsurface oceans covered by layers of ice which explains why communications from them haven’t reached our planet as yet.
Many of the planets and moons in our solar system have oceans, Science Mag notes. Large bodies of water can be found on many of Neptune’s moons as well those orbiting Jupiter, Saturn and Pluto. Each of these planets has icy crusts which develop into frozen mountains and canyons on the surface.