The Earth might not have always been a sphere! Scientists think planet may have originally resembled a Smartie
Most planets that we can observe are spheres, or at least are very close to being spheres. The Earth is flattened at its ...
Dyson spheres: Astronomers report potential candidates for alien structures, and evidence against their existence
The seven objects, all located within 1,000 light-years of Earth, are "M-dwarfs"—a class of stars that are smaller and less ...