Eso paranal

Euclid is a European space telescope launched in 2023 to map the geometry of the universe and explore the mysterious nature of dark matter and dark energy by taking high-resolution images of billions of galaxies. Credit: ESA

The universe may not be uniform – Euclid will track directional biases

Scientists are using cosmic distortions in light to test a bold idea: The world may not be as symmetrical as long believed. If Euclid spots the right kinds of patterns, he could reveal a hidden direction or tilt.