"We report the discovery of one of the most distant galaxies known to date," astrophysicist Joris Witstok told Newsweek.

The universe has been expanding ever since the Big Bang almost 14 billion years ago, and astronomers believe a kind of ...

Euclid, a European space telescope, just captured 26 million galaxies to reveal the secrets of the dark universe.

Scientists using the James Webb Space Telescope have identified an ancient and faraway galaxy that provides evidence that an ...

A tiny red speck has set a date on an important era in the Universe's early history and given astronomers a surprising ...

That was the idea behind a little experiment I ran with ChatGPT. I asked it to explain the most unknowable aspects of the ...

Primordial black holes are the earliest black holes thought to exist, and they vanished almost as fast as they came into ...

A terrifying glimpse at one potential fate of our Milky Way galaxy has come to light thanks to the discovery of a cosmic ...

New results from the Dark Energy Spectroscopic Instrument (DESI) suggest that the unknown force accelerating the expansion of ...

The latest findings from the Dark Energy Spectroscopic Instrument (DESI) challenge long-held beliefs about dark energy. By ...

One of the Holy Grails in cosmology is a look back at the earliest epochs of cosmic history. Unfortunately, the universe's ...

If dark energy continues to weaken, the accelerating expansion of the universe could slow — and possibly reverse. In that ...