It’s a powerful technique, but small uncertainties at each step can add up, something critics argue may be behind the Hubble ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

Nearly a century after astronomers first proposed dark matter to explain the strange motions of galaxies, scientists may finally be catching a glimpse of it. A University of Tokyo researcher analyzing ...

UChicago physics Prof. Bonnie Fleming, who is also the chief research officer at Fermi National Accelerator Laboratory, is ...

Quantum theory and general relativity have long described the universe with incompatible languages, one speaking in ...

Cosmologists face a dilemma. The rise of quantitative cosmology, exemplified by the release of new data in March on the cosmic microwave background from the WMAP satellite (see pp16-19; print version ...

Dark matter remains one of the most compelling enigmas in modern cosmology. Although it does not emit light, its gravitational influence is essential for the formation and evolution of cosmic ...

A theory that unites quantum mechanics and general relativity claims that there was no first moment in time, but it still agrees with the predictions of classical cosmology. It's in the stars One of ...

A radical new theory begins with a central claim: consciousness is the fundamental field of reality; time, space, and matter ...

Illustration of a set of real zeros of a graph polynomial (middle) and two Feynman diagrams. Credit: Max Planck Institute for Mathematics in the Sciences How can the behavior of elementary particles ...

Around 300 years ago Isaac Newton showed that the same laws governed the fall of an apple and the movement of the planets, and he changed how we see the world. Around a hundred years ago, Albert ...