Adam Riess is a 2011 Nobel Laureate in Physics, a Professor of Astronomy and Physics at the Johns Hopkins University, and a Senior member of the Science Staff at the Space Telescope Science Institute in Baltimore, Maryland.
One Constant, Two Answers
Astronomers are trying to figure out how fast the universe is expanding. But two approaches are giving different answers.
Ask an Astrophysicist
Nobel Prize-winning astrophysicist Adam Riess takes your questions on dark energy and the cosmos.
Adam Riess: One Cosmic Puzzle Solved, Many To Go
Nobel Prize-winning astrophysicist Adam Riess discusses the mysterious force known as dark energy.