Science ❯ Astronomy ❯ Cosmology ❯ Dark Energy

Cosmic Expansion

Global Team Pins Local Hubble Constant at 73.50 km/s/Mpc With 1% Precision

The cross-checked result heightens the Hubble tension by landing well above early‑Universe estimates.

DESI Data Suggests Dark Energy May Be Weakening, Challenging Cosmological Models

Euclid Telescope's First Data Release Maps 26 Million Galaxies

Scientists Challenge Existence of Dark Energy in Groundbreaking Study