How a Dispute over a Single Number Became a Cosmological Crisis
Two divergent measurements of how fast the universe is expanding cannot both be right. Something must give—but what?
Stories by Richard Panek
Jim Peebles Richly Deserved His Nobel Prize
Even though, according to Alfred Nobel, he didn’t technically qualify
Bridging a Binary Universe
Modern physicists continue to enshrine the split between the heavens and the earth perceived by our ancestors
Vera Rubin Didn't Discover Dark Matter
She wasn't even convinced it existed
