JWST observations of galaxy cluster MACS J1149 show gravitational lensing used by CANUCS to study distant low-mass galaxies across a wide range of cosmic time.

When you buy through links on our articles, Future and its syndication partners may earn a commission. A collage of eight different galaxies captured by the James Webb Space Telescope. | Credit: ...

Galaxy filled image captured by the James Webb Space Telescope shows some 'stretched' and 'warped' galaxies as well as some appearing to repeat. In July 2022, the James Webb Space Telescope (JWST) — ...

This NASA/ESA/CSA James Webb Space Telescope Picture of the Month brings us a scene from the distant universe. Pictured here ...

Anyone who has ever measured something twice, like the width of a doorway, and gotten two different answers knows how annoying it can be. Now imagine you're a physicist, and what you're measuring ...

A group of astronomers have made history by capturing an image of a record number of stars from a time when the universe was half its age. The astronomers detected 44 stars in the "Dragon Arc" galaxy, ...

“The cosmological principle is like an ultimate kind of statement of humility,” explains James Adam, astrophysicist at the University of the Western Cape, Cape Town, South Africa, and lead author of ...

A new way to measure the cosmic expansion rate could help resolve a long-standing cosmological crisis. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Gravitational lensing occurs when things with mass create ripples ...

Around 37,000 citizen scientists combed through 430,000 images to help an international team of researchers to discover 29 new gravitational lens candidates through Space Warps, an online ...

object like a bright quasar hidden behind it. But there has been a persistent mystery for over 20 years: Einstein’s general theory of relativity predicts there should be an odd number of images, yet ...

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 ...