Science ❯ Astronomy

Stellar Phenomena

Supernovae Novae Nova White Dwarfs Black Holes Stellar Evolution Binary Stars Supernova Star Formation Variable Stars

Astronomers Tie Distant Star’s Chaotic Fading to Evidence of a Planetary Collision

Multiwavelength data show visible dimming with an infrared spike, signaling hot debris from an impact.

Hubble–Euclid Team-Up Unveils Multiscale Portrait of the Cat’s Eye Nebula

Webb Finds Dust-Obscured Red Supergiant Behind 2025 Supernova, a First for the Telescope

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

New Spectra Challenge ‘Yellow Hypergiant’ Claim for Colossal LMC Star WOH G64

Study Ties ASASSN-24fw’s 200-Day Fade to Ringed Brown Dwarf or Super-Jupiter

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

Astronomers Detect Massive Iron-Only Structure Inside the Ring Nebula

White Dwarf Without Disk Has Driven Thousand-Year Bow Shock, VLT Study Finds

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

Hubble Data Tie Betelgeuse’s 6-Year Variations to Hidden Companion’s Gas Wake

JWST Reveals Pulsar-Orbiting ‘Lemon’ Planet With Helium–Carbon Atmosphere

Starlight Falls Short: Study Finds Dust-Driven Winds Don’t Work for Nearby Red Giant

Study Ties Ancient Close Stellar Flyby to a ‘Cosmic Scar’ in the Sun’s Neighborhood

Early Interferometric Images Recast Novae as Multi-Stage, Directional Eruptions

VLT Spectra Reveal Gas Ring Around V Sagittae, Hinting at Likely Nova in Coming Years

VLT Uncovers Gas Ring as V Sagittae’s White Dwarf Goes Thermonuclear

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

Astronomers Identify Ultra-Stripped Supernova, Propose New ‘Type Ien’

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