Cosmic microwave background

Space Scientists reveal the hidden forces shaping how gravity works across the Universe

Galaxy motions across vast distances back standard gravity and pose a serious problem for MOND.

Space Our local universe’s expansion rate doesn’t add up, astronomers find Joshua Shavit

Space Richard Feynman explains why our night sky is dark despite trillions of stars Joseph Shavit

Space Groundbreaking new theory rewrites quantum view of the Big Bang Joshua Shavit

Space Ancient Milky Way stars challenge the age of the universe and the Hubble tension Joseph Shavit