Science ❯ Astronomy

Gravitational Lensing

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

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