Astronomers find Webb data conflict with reionization models

So, with these new observations, the accounting is now off. 'If you were to trust James Webb blindly, it would tell you that reionization ended 550 million to 650 million years after the Big Bang, instead of current estimates of 1 billion years,' explained Muñoz. 'If this were true, the Cosmic Microwave Background would look different, and the Lyman-alpha Forest would look different. So, there's a tension.'

The ‘Beautiful Confusion’ of the First Billion Years Comes Into View | Quanta Magazine

Astronomers are reveling in the James Webb Space Telescope’s discoveries about the formative epoch of cosmic history.

Record-breaking ancient spinning galaxy challenges cosmic evolution theories

'Seeing a galaxy with such similarities to our own Milky Way, that is strongly rotation-dominated, challenges our understanding of how quickly galaxies in the early universe evolve into the orderly galaxies of today's cosmos.'

Zoom into the first page of ESA Euclid’s great cosmic atlas

On 15 October 2024, ESA’s Euclid space mission revealed the first piece of its great map of the Universe, showing millions of stars and galaxies.

NASA's Europa Clipper mission to Jupiter: Mission updates

See the latest updates for the launch of NASA's Europa Clipper to Jupiter's icy moon here.