The Euclid mission, which will measure how the dark universe affects the geometry of the cosmos, is named after the 'father of geometry.' When you purchase through links on our site, we may earn an ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The first images ...

The Euclid space telescope, designed to investigate some of the universe’s biggest mysteries, has captured its first glimpses of the cosmos. The spacecraft’s two instruments took the preliminary test ...

The European Space Agency’s Euclid mission has recently unveiled a startling observation: the universe is gradually running out of stars. This revelation, published on November 11, 2025, suggests a ...

The Euclid space telescope successfully launched atop a SpaceX Falcon 9 rocket on July 1 and is now poised to collect data about millions of galaxies across one-third of the sky, part of a quest to ...

The first images from ESA's dark universe detective Euclid are out, featuring spectacular views of nebulas, distant galaxies and globular clusters of thousands of stars. When you purchase through ...

Dark matter baffles astronomers. It's impossible to see—hence the name—and has never been measured directly, but it makes up most of the mass of galaxies. Ditto dark energy, an equally mysterious ...