The World’s Oldest Writing

The wedge-shaped writing on the tablets, known as cuneiform, demonstrated that these ancient stargazers used geometric calculations to predict the motion of Jupiter. Scholars had assumed it wasn’t until almost A.D. 1400 that these techniques were first employed—by English and French mathematicians. But here was proof that nearly 2,000 years earlier, ancient people were every bit as advanced as Renaissance-era scholars.

Why Can’t Our Telescopes Find Planet X?

The history of astronomy has been a history of receding horizons. The invention of the telescope took us beyond our naked-eye capabilities, to millions (and later billions) of stars within our own Milky Way. The application of photography and multi-wavelength astronomy to telescopes brought us beyond our own galaxy, to the distant “island Universes” populating all the space we can access.