New gravity discovery called "mind-blowing" proves Einstein right

Using data from the Dark Energy Spectroscopic Instrument (DESI), astronomers have completed the most precise gravity test ever taken.

A swarm of robots assembled to detect effects of dark energy

The Dark Energy Spectroscopic Instrument, or DESI, is being assembled for a five-year mission at the prime focus of the Mayall Telescope, to measure the spectra of more than 30 million galaxies and quasars.