Science ❯ Astronomy ❯ Astrophysics

Observational Astronomy

Telescope Observations Data Analysis James Webb Space Telescope X-ray Astronomy Spectroscopy Hubble Space Telescope ALMA Observations Radio Astronomy Event Horizon Telescope Professional Telescopes Radio Telescopes Astrophotography Space Telescopes Telescope Technology NASA TESS Telescope Projects Image Contamination ALMA Telescope Vera C Rubin Observatory Dynamical Studies Astronomical Observations Instituto de Astrofísica de Canarias Electromagnetic Counterparts Quasars Crab Pulsar PRobefarInfrared Mission for Astrophysics Interstellar Objects Follow-up Observations of Supernovae Transient Sources Infrared Astronomy Infrared Observations Einstein Probe Palomar Sky Survey Black Holes Gaia Observatory Satellite Light Pollution HII Regions Radio Waves Satellite Interference Astrophysical Phenomena Image Analysis Nature Astronomy Next-Generation Observatories Exoplanets Jet Phenomena Asteroid Collisions SPHEREx Euclid Space Mission Satellite Brightness Impact of Satellites on Observations NASA Missions Space Missions Aurora Borealis Telescopes X-ray Emissions Very Long Baseline Interferometry Infrared Imaging Telescopes and Instruments Historical Observations Astronomical Discoveries Impact of Satellites on Astronomy Telescope Data Telescope Imaging Receiver Technology NASA Chandra X-ray Observatory

AST SpaceMobile Unfurls Record Low-Orbit Antenna on BlueBird 6 for Direct-to-Phone Service

The company is moving into on-orbit testing ahead of a planned 2026 scale-up with global carrier partners.

Rocky Outer Planet in LHS 1903 System Upends Planet-Formation Models

Black Hole’s Delayed Tidal Disruption Jet Keeps Surging, Now 50× Brighter

Study: 92% of Amazon Leo Satellites Exceed Astronomy Brightness Limit

Nature Study Weighs Four Young V1298 Tau Planets, Revealing Ultra‑Low Densities

Astronomers Report Candidate 'Superkilonova' Linked to 2025 Gravitational-Wave Alert

Starlink Tops 10,000 Launches as SpaceX’s Network Dominates Low Earth Orbit

Peer-Reviewed Studies Link 1950s Sky Flashes to Nuclear Tests and UAP Reports

First Radio Image Resolves Two Supermassive Black Holes in Quasar OJ287

Webb Makes First Direct Chemical Reading of a Moon-Forming Disk Around CT Cha b

Gaia Maps 'Great Wave' Rolling Through the Milky Way's Outer Disk

EHT Finds Magnetic Field Flip at M87* and Traces Jet Base in Multi‑Year Study

Day-Long, Repeating Gamma-Ray Burst From Distant Galaxy Challenges Standard Models

130-Year Record Shows Planetary Nebula IC 418 Heating Faster Than Recent Models Predict

Rare Jet-Driven Bubble Warps Protoplanetary Disk in WSB 52

Mission Studies Spotlight Juno Flyby of Interstellar Comet 3I/ATLAS