# Euclid's First Data Release: A Stepping Stone to its 3D Map of the Sky

Source: [Universe Today](https://www.universetoday.com/articles/euclids-first-data-release-a-stepping-stone-to-its-3d-map-of-the-sky) · 2026-11-12 · Space
Page: https://themorning.science/story/euclid-s-first-data-release-a-stepping-stone-to-its-3d-map-of-the-sky-01481460077e5ef2
Kind: release · Impact: medium

## In brief

- ESA and the Euclid Consortium released the first major data batch, DR1-Foundation, from the Euclid space telescope on 12 November 2026.
- The release covers 13 months of observations and captures light from more than a billion objects over a sky area equivalent to 9,500 full moons.
- The data lays the foundation for what is intended to be one of the largest-ever 3D maps of the universe, aimed at studying dark energy and dark matter.

## Why it matters

The public data release gives astronomers a large, standardised catalogue of galaxies and lensing candidates to build cosmology analyses on, and it shows the mission is on track toward its planned 3D map.

## Versions

- DR1-Foundation

## Timeline

- 2023-07-01: Euclid space telescope launched by ESA
- 2026-11-12: First major data release, DR1-Foundation, published by ESA and the Euclid Consortium

## Coverage

- [Euclid's First Data Release: A Stepping Stone to its 3D Map of the Sky](https://www.universetoday.com/articles/euclids-first-data-release-a-stepping-stone-to-its-3d-map-of-the-sky) — Universe Today, 2026-11-12
- [Space telescope Euclid sets the new standard for cosmology](https://phys.org/news/2026-11-space-telescope-euclid-standard-cosmology.html) — Space News - Space, Astronomy, Space Exploration, 2026-11-12
- [Euclid Space Telescope Is Filling Its Treasure Chest](https://skyandtelescope.org/astronomy-news/euclid-space-telescope-is-filling-its-treasure-chest/) — Astronomy News & Astronomical Events | Sky & Telescope, 2026-11-12
- [Dark matter breakthrough coming? Euclid space telescope unveils its 1st look into the dark universe (video)](https://www.space.com/astronomy/dark-matter-breakthrough-coming-euclid-space-telescope-unveils-its-1st-look-into-the-dark-universe-video) — Latest from Space.com, 2026-11-12
- [Euclid space telescope unveils first major data release, including map of 900 million galaxies](https://www.livescience.com/space/astronomy/far-more-than-beautiful-pictures-euclid-space-telescope-images-900-million-galaxies-on-its-quest-to-make-the-largest-3d-map-of-the-universe) — Latest from Live Science in Space, 2026-11-12
- [Euclid offers best-ever 3D map of the universe to date](https://phys.org/news/2026-11-euclid-3d-universe-date.html) — Space News - Space, Astronomy, Space Exploration, 2026-11-12
- [Euclid DR1-Foundation](https://telescoper.blog/2026/11/12/euclid-dr1-foundation/) — In the Dark, 2026-11-12
- [ESA’s Euclid mission unveils treasure trove of cosmic data](https://physicsworld.com/a/esas-euclid-mission-unveils-treasure-trove-of-cosmic-data/) — Physics World, 2026-11-12

Tags: euclid, data release, cosmology, dark energy, galaxy survey, astronomy

---

Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Science – https://themorning.science