Every week, scientists using the Hubble Space Telescope share an image from this beloved piece of space technology, and this week’s image shows a vital astronomical phenomenon in action. While space ...

The 24th day of the annual Space Telescope Advent Calendar features dozens of galaxies in a cluster, most appearing stretched ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A massive galaxy cluster, Abell S1063, forms a gravitation lens, revealing the warped light from ...

Berkeley, CA — Weak gravitational lensing is a uniquely promising way to learn how much dark matter there is in the Universe and how its distribution has evolved since the distant past. New work by a ...

"We will push the limits of what we can observe, and use every gravitational lens we detect with Roman to pin down the particle nature of dark matter." When you purchase through links on our site, we ...

Most planets are part of a star system of their own – but some go their own way, and they have remained largely mysterious ...

A newly discovered cluster-scale strong gravitational lens, with a rare alignment of seven background lensed galaxies, provides a unique opportunity to study cosmology. In a rare and extraordinary ...

GAINESVILLE, Fla. — You could say that the odds of seeing it were astronomical. Yet there it was, 10 billion light-years from Earth, the most massive galaxy cluster ever seen at such a distance – with ...

A new image from the Hubble Space Telescope reveals the funny things that galaxies can achieve when they huddle together. When galaxies are far enough away, the 33-year old observatory gets a sort of ...