We present a new, high-resolution chronographic (age) map of the Milky Way’s halo, based on the inferred ages of ∼130,000 field blue horizontal-branch (BHB) stars with photometry from the ...

The roundel structure uncovered in the outskirts of Prague, Czech Republic. It's thought to have been built around 7,000 years ago. In this combination image, views of the roundel, archaeologists ...

Researchers discover a 10,000-year-old Stone Age hunting structure in the Baltic Sea, shedding light on ancient hunter-gatherer communities. Skip to main content Skip to main content ...

Reneé E. Spraggins, Julie A. Meyer, Lisa I. Hetzel, Denise I. Smith, Age-Sex Structure of the United States in 2000: Early Results from Census 2000, Population Research and Policy Review, Vol. 21, No.

Researchers discover a 10,000-year-old Stone Age hunting structure in the Baltic Sea, shedding light on ancient hunter-gatherer communities.