NASA’s New Horizons spacecraft beyond Pluto has made a groundbreaking measurement of the Universe’s background ... said Marc Postman of the Space Telescope Science Institute in Baltimore ...

That means cosmologists can't really understand the evolution of the universe until they know what the cause of the Hubble tension. Breaking space news, the latest updates on rocket launches ...

However, there is no evidence for primordial vector or tensor perturbations, nor for cosmic defects. These observations align ...

Koekemoer (STScI), Jake Summers (ASU), Rogier Windhorst (ASU), Haojing Yan (University of Missouri) New observations from the James Webb Space Telescope ... discover why the universe is expanding ...