with theorists contemplating the involvement of a forgotten civilization or aliens from outer space. But "this is just a mountain that looks like a pyramid," Eric Rignot, a professor of Earth ...

Although it took forty years to produce 10,000 pieces of softball-sized space debris, that amount doubled over the next ten years, largely due to accidents and willful neglect. Most of the debris ...

From the first picture proving that Earth was indeed spherical, to the first color image clicked from the lunar surface, ...