New synthesis of astronomical measurements shows Hubble tension is real

New synthesis of astronomical measurements shows Hubble tension is real

Gemini South celebrates 25th anniversary with stunning snapshot of the Butterfly Nebula: « NGC 6302 is captured in exquisite detail by the Gemini South telescope in Chile, revealing dynamic gaseous outflows driven by an extremely hot star

Gemini North Discovers Long-Predicted Stellar Companion of Betelgeuse

Billions of celestial objects revealed in survey of the Milky Way

Astronomers Discover Closest Black Hole to Earth

Record-Breaking Gamma-Ray Burst Possibly Most Powerful Explosion Ever Recorded - Near-simultaneous observations with Gemini South in Chile of GRB221009A thanks to rapid-response teams of observers and staff

Rocky Exoplanets Are Even Stranger Than We Thought - A new astrogeology study suggests that most nearby rocky exoplanets are quite unlike anything in our Solar System

SATCON1 Report on Impact of Satellite Constellations on Astronomy