Observational Astronomy

Telescopes Telescope Technology James Webb Space Telescope Radio Astronomy Data Collection Multi-wavelength Observations Infrared Astronomy Telescope Observations Multiwavelength Observations Ground-based Observations

ALMA Finds Extreme Heavy-Water Ratio in Interstellar Comet 3I/ATLAS

The result suggests the comet formed far from its star in a deep-freeze zone beyond where carbon dioxide turns to ice.

SPHEREx Detects 20-Fold Post-Perihelion Surge in Interstellar Comet 3I/ATLAS

Astronomers Confirm First Triple Radio AGN in Merging Galaxy Trio

JWST Confirms Runaway Supermassive Black Hole Traveling at About 1,000 km/s

Webb Confirms Most Distant Supernova Yet at z=7.3

Webb Confirms Overmassive Black Hole Feeding in a Galaxy 570 Million Years After the Big Bang

VLT Captures Olive-Shaped Shock Breakout From Nearby Supernova

Study Suggests the Universe’s Expansion Is Slowing, Challenging Standard Cosmology

3I/ATLAS Passes Perihelion as Spacecraft Step In to Observe the Interstellar Comet

Hubble and Ground Telescopes Capture First Multi-Temperature CME on a Young Sun Analogue

New Simulations Revive Dark-Matter Explanation for Milky Way’s Gamma-Ray Glow

Nature Study Reveals Rare Supernova That Exposed a Star’s Inner Layers

Space VLBI Captures Ribbon-Like Jet and Shock Wave at Core of Blazar OJ 287

Durham Team Predicts Up to 100 Hidden Milky Way Satellite Galaxies

Unusual 44-Minute Radio and X-Ray Pulses Detected Deep in Milky Way

Astronomers Capture First Direct Evidence of Quasar Radiation Disrupting Neighboring Galaxy