‘Cosmic Glitch’ could explain why gravity acts differently across the Universe
Einstein’s theory of gravity may behave slightly differently across distances of billions of light-years, with gravity appearing about…
The universe isn’t as uniform as we thought
Modern cosmology rests on a simple assumption: if we look on large enough scales, matter should be distributed…
Ancient Milky Way stars challenge the age of the universe and the Hubble tension
The oldest stars in the Milky Way are forcing a fresh look at one of cosmology’s biggest arguments.…
Scientists develop a new way to measure the expansion rate of the universe
For years, cosmologists have argued over a simple question with an awkward answer: How fast is the universe…
A cosmic anomaly suggests we need to rethink the shape of our universe
In recent years, Nobel Prize–winning physicist James Peebles, one of the main architects of the standard cosmological model,…