New observations from the James Webb Space Telescope hint that the universe’s first stars might not have been ordinary fusion ...

So how many stars are there? Given all of the above, astronomers estimate that the Milky Way contains around 100 billion stars, and there are at least 100 billion galaxies in the observable universe.

Explore the vast and mesmerizing beauty of the deep universe with our latest video, "Deep Universe: Relaxing Video from Outer ...

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

Scientists figured out that the universe is billions of years old - after years of reading ancient rocks and dying stars, and ...

Scientists found where the universe’s missing matter went. Black holes have been pushing it far away from galaxies.

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

NASA's SPHEREx is exploring the galaxies to answer the question of where we all come from while sending back jaw-dropping ...

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

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

Now, astronomers have found a star that may be as close as we’ve ever come to witnessing one of the primordial stars. Known ...

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...