Science ❯ Astronomy ❯ Astrophysics

Stellar Phenomena

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

Chandra Maps Hot Astrosphere Around Young Sun-Like Star HD 61005

The detection offers a rare external analogue for the Sun’s early heliosphere.

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

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