Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the elements—and how massive supernovae reshaped the cosmos ...
Astronomers discover PicII‑503, a 14-billion-year-old star carrying primordial elements, challenging theories of early star ...
An Egyptian-German archaeological mission has unearthed a staggering 13,000 inscribed pottery fragments, known as ostraca, at the ancient site of Athribis in Sohag, Upper Egypt, including over 130 ...
The first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University of São Paulo. A team had found a small, strange galaxy that appeared to ...
If peace and quiet had a physical address in Minnesota, it would be Lanesboro, population 750, stoplights zero, chain restaurants also zero.
Discovered in the Pictor II dwarf galaxy, star PicII-503 has an extreme deficiency in iron—less than 1/40,000th of the sun. This signature makes it the clearest example of a star within a primordial ...
"Cosmic archaeologists" have discovered an iron-deficient second-generation star, which provides evidence of how ancient ...
It's a new window into the first star explosions.
Using the Mayall 4-meter telescope at Kitt Peak National Observatory, an international team of astronomers has observed ...
Long before clocks or written calendars existed, ancient farming communities faced a life-or-death problem; they needed to ...