Science ❯ Cosmology ❯ Dark Matter

Dark Energy

Universe Expansion Cosmic Expansion Cosmic Measurements Cosmic Observations Cosmic Exploration Galactic Mapping Black Holes Neutrino Role Universe Composition Universe Evolution Astrophysical Research Euclid Mission Galaxies Euclid Mission Goals Galactic Interactions Astrophysics Cosmic Structures Baryonic Matter Universe Structure Gravitational Lensing Effects

NASA Completes Roman Space Telescope Construction as Final Testing Begins

The mission is running ahead of schedule with a possible fall 2026 launch window.

Rubin Observatory Unveils First Deep-Sky Survey Images, Activates Rapid Alert System

Vera C. Rubin Observatory Set to Unveil First Light Images on June 23