What's up in

dark energy

Illustration: window showing dark matter map
cosmology

Scientists Unveil New Inventory of Universe’s Dark Contents

August 3, 2017

The first major results from the Dark Energy Survey signal the start of a new era of cosmology.

Abstractions blog

Cookie-Cutter Supernovas Might Come in Different Flavors

July 31, 2017

Astronomers thought that all Type Ia supernovas shine with the same brightness, making them incredibly useful cosmic yardsticks. But uncertainty over what causes these explosions has led researchers to reconsider their assumptions.

Erik Verlinde by Ilvy Njiokiktjien for Quanta Magazine
gravity

The Case Against Dark Matter

November 29, 2016

A proposed theory of gravity does away with dark matter, even as new astrophysical findings challenge the need for galaxies full of the invisible mystery particles.

Quantized Columns

How Feynman Diagrams Almost Saved Space

July 5, 2016

Richard Feynman’s famous diagrams weren’t just a way to do calculations. They represented a deep shift in thinking about how the universe is put together.

Inside this chamber, silica spheres probe for hidden extra dimensions, distortions of gravity, and dark-matter particles. | Peter DaSilva for Quanta Magazine
experimental physics

Tiny Tests Seek the Universe’s Big Mysteries

May 3, 2016

The search for exotic new physical phenomena is being led by huge experiments like the Large Hadron Collider. But at the other end of the spectrum lie tabletop experiments — small-scale probes of hidden dimensions, dark matter and dark energy.

Physics

Dark Energy Tested on a Tabletop

March 31, 2015

Is dark energy a cosmic chameleon that can fade into its surroundings? A recent test brings the mysterious anti-gravitational force down to earth.

Blanco telescope.
Q&A

Finding Dark Energy in the Details

September 18, 2014

The astrophysicist Joshua Frieman seeks to pinpoint the mysterious substance driving the accelerating expansion of the universe.