Euclid, a space telescope on a mission to uncover the secrets of dark matter and dark energy, has already made a stunning discovery: a perfectly formed Einstein ring hidden in a well-known galaxy.

When the European Space Agency’s Euclid space telescope launched on July 1, 2023, to explore the dark universe, no one ...

Around a galaxy just 590 million light-years away, astronomers have discovered a stunning example of one of the rarest ...

For decades, scientists have worked to map the universe’s large-scale structure, testing cosmological models and ...