The universe is filled with galaxies — more than a trillion by some estimates — and we’ve only mapped a fraction of them. But answering some of the most pressing mysteries plaguing astronomers today, ...

The Dark Energy Spectroscopic Instrument (or DESI for short) has created the largest 3D map of the universe we've ever seen. DESI created the map over the course of seven months. Each month, DESI ...

Scientists have proposed new instruments that would use spectroscopy to decode dark matter, dark energy and cosmic inflation. Telescope images can tell us a whole lot about celestial objects: where ...

Scientists using the Dark Energy Spectroscopic Instrument have unveiled the largest 3D map of the universe ever. The results suggest that dark energy, the mysterious force pulling the universe apart, ...

The largest 3D map of the universe has been created by a specially designed instrument which scientists hope will eventually help solve the mystery of why the universe is expanding faster and faster.

For astronomers, the challenge of mapping the Universe has been similar to mapping a city from night-time aerial snapshots showing only streetlights. These pick out a few interesting neighbourhoods, ...