The Dark Energy Spectroscopic Instrument (or DESI for short) has created the largest 3D map of the ... has smashed through all of the previous records for mapping the universe.

Having an interactive map of the universe on hand is nice, not only because we can see the number of galaxies that fill our universe, but also because it puts it all into scale. Space telescopes ...

"And suddenly, as they're outside of all the light sources in our solar system, they realize we don't need as many galaxies ... we don't actually know the size of the universe, those estimates ...

Astronomers have identified what could be the largest structure ever observed in the known ... map of galaxy clusters within the target redshift range, even without specialized detection methods. The ...

A new way to study 3D maps ... It's all thanks to multi-object spectroscopy, which measures the redshift of these galaxies, and hence the distance to them in an expanding universe, in an observed ...