Science ❯ Astronomy

Gravitational Lensing

Einstein Rings Light Bending Galaxy Interactions Measurement Techniques Dark Matter Lensed Quasars Einstein's Lensing Microlensing Quasars Einstein Ring Microlensing Events Gravitational Lensing of Supernovae Cosmic Horseshoe Cosmic Phenomena Measurement Cosmic Structures Time-Delay Cosmography Galaxy Properties Galaxy Cluster Strong Gravitational Lenses James Webb Space Telescope

Gravitational-Lens Time Delays Deliver New Hubble Constant, Deepening the Tension

A TDCOSMO analysis of eight lensed quasars measures 71.6 km/s/Mpc with 4.5% precision, pointing to larger samples to reach decisive 1–2% tests.

Andromeda Galaxy Team Wins 2025 Astronomy Photographer of the Year as London Exhibition Opens

JWST Study Points to Earendel Being a Compact Star Cluster

Dual Lensing-Kinematics Study Confirms 36-Billion-Solar-Mass Black Hole in Cosmic Horseshoe