For thousands of years, the pyramids of Egypt have stood as the ultimate engineering mystery. Without cranes, engines, or steel tools, ancient builders raised millions of massive stones into precise ...

Long believed to align with stars, the Great Pyramid’s shafts may have served a very different purpose—sound. Jean-Pierre ...

Deep inside caves, water dripping from the ceiling creates one of nature's most iconic formations: stalagmites. These pillars ...

We found a dataset that allows us to measure what separates a hill from a mountain, and maybe even see if it changes as you ...