Science ❯ Astronomy ❯ Astrophysics

Stellar Phenomena

Supernovae Coronal Mass Ejections Red Supergiants Nova Explosions Binary Stars Planetary Systems TRAPPIST-1 Magnetars Companion Stars Extreme Nuclear Transients Flares and CMEs Hypervelocity Stars Flares Supernova Remnants Nebulae Solar Dynamics Betelgeuse Dead Stars Wolf-Rayet Stars Shockwaves Shock Waves Supernovae and Kilonovae Fast Blue Optical Transients Luminous Fast Blue Optical Transients Kilonovae White Dwarf Stars Planetary Nebulae Sun Star Observations Gas Bubbles Supernova Galactic Cirrus M Dwarf Stars Binary Star Systems

Giant Metal-Bearing Cloud Tied to Hidden Companion Explains Months-Long Dimming of Sun-Like Star

Gemini South spectra delivered the first direct map of internal gas motion in such a disk.

Webb Confirms Most Distant Supernova Yet, SN Eos at Redshift 5.133

New Spectrograph Reveals Mars-Mass Iron Bar in the Ring Nebula

Astronomers Spot Long-Lived Bow Shock Around Diskless White Dwarf, Defying Models

Caltech Team Reports Candidate 'Superkilonova' From August Gravitational-Wave Alert

Brightest Blue Cosmic Flash Linked to Black Hole Tearing Apart a Massive Star, Studies Find

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

Early JWST Campaign Finds Stellar Noise Hindering TRAPPIST-1e Atmosphere Test

Webb Maps Four Dust Spirals and Confirms Third Star in Rare Apep Wolf-Rayet System

Astronomers Confirm First Coronal Mass Ejection From Another Star

Astronomers Confirm First Coronal Mass Ejection From a Star Beyond the Sun

Webb Unveils Red Spider Nebula’s Closed Lobes, Iron‑Traced Jet, and Shrouded Core

Astronomers Unveil Largest Low-Frequency Radio Color Map of the Milky Way

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

Simulations Link Hypervelocity White Dwarfs to Double-Detonation Hybrid White Dwarf Mergers

ALMA Maps 1.4‑Light‑Year, Sun‑Mass Bubble Around Red Supergiant DFK 52

ALMA Reveals 1.4-Light-Year Bubble Around Supergiant DFK 52