Science

For nearly a century, a strange band of 5,200 holes carved into a hillside has defied explanation. Stretching for nearly a mile along the edge of the Pisco Valley, Monte Serpe – "serpent mountain" – may have finally revealed its secrets to scientists.

As it heads out of the solar system never to return, the deep space probe Voyager 1 is headed for yet another cosmic milestone. In late 2026, it will become the first spacecraft to travel so far that a radio signal from Earth takes 24 hours, or one light day, to reach it.

Archeologists say they have solved the 6,000-year-old mystery of Armenia’s “dragon stones" – massive carved monoliths scattered across high-altitude slopes and pastures where no ancient settlements ever existed. It's a story of worship and water.