Levi is the director for the Dark Energy Spectroscopic Instrument, DESI, which produced the new map. The instrument consists ...

Gravitational lensing often evokes images of a cosmic funhouse mirror: duplicated galaxies, dramatic arcs and distorted ...

“Dark energy” is a term scientists use to refer to whatever is causing the universe to expand faster over time. We don’t know exactly what dark energy is—no one has ever directly seen or measured ...

Europe’s Euclid Space Telescope Is Launching a New Era in Studies of the ‘Dark Universe’ The Euclid mission will probe dark energy and dark matter like never before, setting the stage for an ...