Science Announcements

Discontinuation of Support for the ESO MacPorts Repository

Published: 09 Sep 2026

ESO announces the discontinuation as of 2026-09-01 of support for the ESO MacPorts Repository in favour of Homebrew, which has the advantage of providing a unique package management system for both Mac and Linux systems.

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Apply Now for ESO Studentships - First Annual Call

Published: 01 Sep 2026
Are you a PhD student eager to dive into the cutting-edge scientific world at one of the most prestigious observatories on the planet? The ESO research studentship programme offers you a chance to do just that. This exceptional programme is open to students enrolled in a PhD programme in astronomy or related fields. You will continue your doctoral research under the formal supervision of your home university, but with the added benefit of spending a minimum of six months (Chile) or one year (Germany), and up to two years at ESO, working closely with a dedicated ESO staff astronomer.
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Xavier Barcons Concludes his Term as Director General

Published: 28 Aug 2026

At the end of his nine years as ESO Director General, Xavier Barcons reflects on ESO’s scientific contributions, international standing, organisational challenges, sustained growth during this period, and exciting perspectives for the future.

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Major New ALMA Science Archive Features

Published: 25 Aug 2026
The ALMA Science Archive has received substantial feature upgrades, some of which have been worked on for years.
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Comparison of Panel Review and Distributed Peer Review at ALMA

Published: 25 Aug 2026
Since 2021, ALMA has used a distributed peer review model instead of traditional panel-based review. In a recent study, John Carpenter and Andrea Corvillon analysed more than 20,000 proposals and over 160,000 individual reviews over 13 ALMA cycles (Cycles 0–12) to examine whether the statistical patterns of proposal evaluation changed. Overall, the study finds that the outcomes of distributed peer review are statistically consistent with those of traditional panel review. You can read a summary of the result on the ALMA website and the paper accepted for publication in PNAS.
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Introducing the 2026 ESO Fellows - Germany and Chile

Published: 25 Aug 2026

The Offices for Science are very pleased to present the 2026 ESO Fellows. Here is an introduction to the Fellows due to start in Garching and Chile later this year.

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ESO Fellowship Programme 2026 / 2027

Published: 21 Aug 2026
ESO's prestigious postdoctoral fellowship programme in both Garching (Germany) and Santiago (Chile) offers outstanding early-career scientists the opportunity to further develop their independent research programmes. From exoplanets to cosmology, observational, theoretical and fundamental astrophysics, these are all areas where ESO Fellows can benefit from a highly dynamic scientific environment, at some of the most advanced ground-based telescopes in the world. Do watch ESOCast 165 to hear what previous ESO fellows have to say about the fellowship programme or watch the virtual tour to ESO's premises from 2020 or 2021 where young scientists could ask questions about the fellowship programme.
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Registration Open for ESO Workshop "Bridging Horizons: Harnessing ESO's Current Facilities for the Dawn of Exoplanet Population Studies", 2-6 November 2026

Published: 21 Aug 2026
Observations with the VLT, VLTI, and ALMA have pioneered exoplanet science over the past decade. With upcoming results from ESA missions such as Gaia, PLATO, and Ariel, exoplanet research is entering a transformative era of population-scale characterisation surveys. This workshop will bring the community together to explore how current ESO facilities, together with powerful archival resources, can best complement exoplanet demographics, atmospheres, and planet formation at the dawn of population-scale studies.
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Fast Track Channel FTC 117A Time Allocation

Published: 20 Aug 2026
The time allocation process for ESO telescopes for the first Fast Track Channel FTC 117A (1 September 2026 - 28 February 2027) has been completed. This was based on the scientific evaluation of the Distributed Peer Review (DPR). A total of 505 hours of Service Mode observations (excluding filler programmes) were allocated on the VLT/VLTI, which is 10% higher than the total time initially reserved for this first FTC call (460 hours). As a reminder, only VLT/VLTI Normal programmes with a maximum time request of 30 hours were offered in FTC 117A.
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Release of SPHERE Data Indicating the Presence of a Companion for Betelgeuse

Published: 19 Aug 2026
Betelgeuse is the most studied Red Super Giant. In 2024, through a reinterpretation of its long secondary period (LSP), a close orbiting stellar companion was suggested to exist, with a maximum elongation in December 2024. The goal was to search for this secondary component.
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