Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

Ultra-faint dwarf galaxies, cosmic 'ghost towns,' offer new insights into the early universe and star formation.

This breakthrough, the result of collaboration between powerful telescopes in Chile and an international team of scientists, sheds light on events in the early Universe that influenced star formation ...

There were no stars to make light. No familiar swirls of galaxies. Certainly no planets. And the entire universe was shrouded in neutral hydrogen gas. Then, perhaps 100 million years or so in ...

Slowly, over time, those fluctuations grew, and hundreds of millions of years later they became the first stars and galaxies, ultimately leading to the largest structure in the universe ...

A century ago, Edwin Hubble unveiled a groundbreaking discovery that revolutionized humanity’s understanding of the cosmos.

The team's findings, which were published Monday in the journal Nature, also unveil a method of investigating dark matter, ...

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

A Distant Supernova Discovery This latest image from the Hubble Space Telescope features a distant galaxy located about 600 ...

"These galaxies are small, faint and rich in gas, yet all of them are actively forming new stars — a surprising trait for dwarf galaxies in a group," team leader Cristiano G. Sabiu of the ...