News

Astronomy

Old Stars Even Older: Determining a new age for the universe

Using particles accelerators to mimic the conditions inside stars, two independent research groups have found evidence that the most-ancient known stars are about a billion years older than astronomers had estimated.

Paleontology

Rare English bits are oldest known charcoal

Analyses of small black chunks of material extracted from 420-million-year-old rocks found along the England-Wales border suggest that they're remnants of the earliest known wildfire.

Archaeology

Guatemalan sites yield Maya insights

Excavations at three archaeological sites in Guatemala have provided new insights into both the early and late stages of ancient Maya civilization.