CosmologyOctober 15, 2024
A Weird Form of Dark Energy Might Solve a Cosmic Conundrum
Estimates of how fast the universe is expanding disagree. Could a new form of dark energy resolve the problem?
Stories by Marc Kamionkowski
Marc Kamionkowski is a theoretical physicist at Johns Hopkins University, where he studies cosmology and particle physics.
Space & PhysicsOctober 1, 2002
Echoes from the Big Bang
Scientists may soon glimpse the universe's beginnings by studying the subtle ripples made by gravitational waves
Space & PhysicsJanuary 1, 2001
Echoes from the Big Bang
Scientists may soon glimpse the universe's beginnings by studying the subtle ripples made by gravitational waves