Even before the first stars lit up the Universe, the Cosmos was not the cold place most researchers once imagined. New ...

The early universe was already warm before reionization, revealing that the first stars did not flicker on in an icy cosmos.

The history of the universe always feels hard to fathom. After the Big Bang, it is believed that the universe was filled with hot gas and light. Eventually, matter started to cool down, and the first ...

A discovery of binary stars could be the first step in building a more complete picture of how our galaxy formed, according ...

If ultimately true, the universe will reach its maximum size around 11 billion years from now. At that point, physics (and ...

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an ...

This year, the Nobel Prize in Physiology or Medicine was awarded to Shimon Sakaguchi from Osaka University in Japan, Mary E.

For centuries, humanity has pondered the ultimate fate of the universe. From theories of infinite expansion to the concept of ...