A little over a century ago, we were still taking measurements of the earth. We had to physically go to our Greenwich Observatory and measure from there. Then we used maps to do the same thing. And then the GPS ...
It may come as a surprise, but Earth and Mars have more in common than previously believed. At least, that’s what new research claims. Nordlinger Ries is a 15-million-year-old asteroid impact crater full of sediments. According to researchers, this structure ...