Universe expansion

Space Canadian radio telescope (CHIME) is turning hydrogen into a map of cosmic expansion

A faint hydrogen signal from a 5-billion-year-old universe emerged after astronomers stripped away overwhelming radio foregrounds.

Space 2,884 exploding stars deepen the mystery of dark energy Joseph Shavit

Space Dark energy reversal cannot close the universe’s expansion gap

Space Microscopic wormholes may be warping reality all around us Joseph Shavit

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