A new way to study 3D maps of galaxies in the cosmos without compressing the data is revealing new information about the dark ...

The Dark Energy Spectroscopic Instrument (or DESI for short) has created the largest 3D map of the ... galaxies in space. That should provide astronomers with a huge map of the universe to study ...

The European Space Agency's Gaia spacecraft concludes its 12-year mission to map the Milky Way, leaving behind a legacy of unprecedented data and discoveries.

Scientists are revolutionizing our understanding of the universe’s most mysterious component: dark matter, the invisible substance that accounts for 27% of the universe’s total mass. Using ...

An ambitious NASA mission to map the sky in 3D using a space-based observatory now has a target launch date of late February 2025. NASA's compact car-sized observatory, called Spectro-Photometer ...