New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may ...

Scientists once thought the early universe didn't make them.

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

The galaxy's discovery challenges our understanding of how galaxies were formed in the early period after the Big Bang.

From your place inside the Milky Way, you are living within a galaxy that keeps a detailed chemical diary. Every star holds ...

The mystery of galaxies in the early Universe just got even weirder. A team of astronomers has identified a giant spiral galaxy so well-formed that it already has a stable galactic bar; a long, ...

A new study reports a massive ancient galaxy. It formed when the universe was very young. The universe today is 13.8 billion ...

Galaxy Alaknanda challenges long-held theories of galaxy formation, which maintained that stable spiral galaxies could only ...

Indian researchers have unearthed a massive galaxy from the universe's infancy, challenging existing theories on early galaxy ...

Astronomers reanalyzed the chemical composition of three stars in the Milky Way's halo and found that they are between 12 and 13 billion years old. They may have also been stolen from other galaxies.

Three of the oldest stars in our universe have been discovered, and they were lurking right under our noses this whole time, and traveling in the wrong direction The heavenly bodies were detected by ...

To find the universe’s oldest stars, you must look for the ones with low chemical abundances and a retrograde orbit. That’s what a group of students in a class of MIT professor of physics and division ...