Q&A
On a Hunt for a Ghost of a Particle
Janet Conrad has a plan to catch the sterile neutrino — an elusive particle, possibly glimpsed by a number of experiments, that would upend what we know about the subatomic world.
Q&A
An Explorer of Quantum Borderlands
Suchitra Sebastian’s searches for quantum anomalies have led to the potential discovery of a new building block of matter.
cosmology
Why the Big Bang’s Light May Have a Tilt
Scientists haven’t tested the Big Bang’s light for a revealing shift in 25 years. A new experiment aims to change that.
Physics
Dark Energy Tested on a Tabletop
Is dark energy a cosmic chameleon that can fade into its surroundings? A recent test brings the mysterious anti-gravitational force down to earth.