Who built Serpent Mound—and why? While some date it to 1,000 years ago, its precise alignment with the summer solstice sunset suggests deeper cosmic wisdom. Ancient builders may have recognized the ...

Vast amounts of organic carbon settle on the seafloor each year, coming from decaying marine life and from living (or once living) material washed in from land. When stored in the marine environment, ...

The sophistication of these Southeast Asian sailors is further enhanced if one considers the geography of the region. The Wallacea islands and the Philippines never connected with the land, even ...

Scientists have for the first time sequenced the most complete and oldest ancient Egyptian genome ever found—unlocking new ...

Rocks older than 4.03 billion years could shed light on Earth's earliest geological history, but they're incredibly rare.

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Hipparchus’s star catalog is the oldest known attempt to document the positions of as many objects in the night sky as possible, and it was the first time that two coordinates were used to ...

Most of the ancient Maya archaeological site of El Ceibal, in north-central Guatemala, is buried in dense jungle. Eroded stone ruins create vague mounds and outlines on the crowded jungle floor ...

Discover the timeless beauty of Tasmania’s ancient landscapes on a 10-day cruising and hiking adventure of the state’s southern coastal areas. This article is brought to you by Coral Expeditions. I ...