An international team of some 900 scientists from 70 institutions who are working with the Dark Energy Spectroscopic Instrument (DESI) has made the largest and most detailed 3D map of our Universe to date, which reveals an astonishing structure of cosmos.

For the first time, utilizing 5,000 tiny robots in a mountaintop telescope, the researchers have measured the expansion history of the Universe by capturing light from distant objects as far as 9-11 billion years ago, with a precision better than 1%. This precision offers powerful insights into dark energy's role in the universe's accelerating expansion.

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The team said in a study published by Harvard University that initial results confirm the basics of the Lambda CDM model, which includes cold dark matter and dark energy. Some findings suggest that dark energy evolves over time. 

According to the Lambda CDM model, both matter and dark energy shape how the Universe expands, albeit in opposite directions. Matter and dark matter slow the expansion down, while dark energy speeds it up. The amount of each influences how our universe evolves.

DESI uses Baryon Acoustic Oscillations (BAO) as a cosmic ruler to measure distances and the Universe's expansion rate.