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Euclid starts seeing darkness
Euclid‘s core mission to study the nature of dark energy includes two central probes: one is tracking the expansion history of the Universe, the other traces structure formation over cosmic time. Ahead of the first cosmology results coming out in 2027, scientists have now published a first demonstration that Euclid can indeed trace massive structures dominated by usually invisible dark matter, using the technique of ‘weak gravitational lensing’.
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Space Warps – Euclid DR1
Space Warps is back! Do you want to join forces with Euclid Consortium scientists and discover gravitational lenses that no human has ever seen before? We’re announcing the next Space Warps Citizen Science campaign with Euclid data – now previewing images from Data Release 1. Here is how to become part of the project.
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Euclid and HST join forces to look at a Cat’s Eye
Euclid covers a much larger area in every image compared to previous space telescopes, all while resolving details. The Hubble Space Telescope has a roughly 2x larger mirror than Euclid and can still resolve structures twice as fine, but over a much smaller area: It could in principle carry out Euclid’s Wide Survey, but it would take 100s of years instead of only six. So what happens when combining Hubble’s eye for detail and Euclid’s field of view? Something incredible is the result.
…Euclid and HST join forces to look at a Cat’s EyeRead More »
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Portrait of Euclideans – Ismael Tereno
Euclid is a space mission planned, built, and operated by more than 2000 scientists and engineers across Europe and other countries. In Portraits of Euclideans we showcase the people behind the mission.
In this portrait: Ismael Tereno, Euclid Survey Scientist
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Yannick Mellier, 1958–2025
Au revoir Yannick! It is with greatest sadness that we have to announce the passing of Yannick Mellier, lead of the Euclid Consortium since 2011. Yannick has worked tirelessly to steer Euclid’s development from before its adoption as a mission by ESA to the first science results in 2025. Much of what the Consortium is today bears his mark – and the first flagship paper introducing the first Euclid science results is, and will be, a ‘Euclid Collaboration: Mellier et al.’
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Happy Holidays 2025
The Euclid Consortium wishes everyone joyful holidays at the end of 2025!
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