In the coastal desert of Peru, a line of crumbling stone towers rises from the sand, framing the horizon with an almost mechanical precision. Long treated as enigmatic ruins, these structures are now ...

Learn more about the Chankillo site, an ancient astronomical observatory that may offer new insights into how our ancestors ...

The Space Weather Follow On — Lagrange 1 executed its final engine burn Jan. 23 to reach its destination roughly 1.6 million ...

Nearby what was thought to be the oldest known astrological observatory in the Western Hemisphere, archaeologists discovered one even older. The site in the Casma Valley of Peru could be centuries ...

In the coastal desert of Peru, a line of stone towers has reappeared from beneath windblown sand, reviving a site that may be the oldest working observatory in the Americas. Long overlooked and ...