Science ❯ Astrophysics

Stellar Dynamics

Massive Stars Gravitational Interactions Supernovae Star Formation Companion Stars Solar Dynamics Tidal Forces Binary Stars Star Clusters Solar Activity

Gaia Survey Points to Sun’s Outward Migration With Thousands of Stellar Twins

A new Gaia-based catalog of 6,594 solar twins points to a coordinated outward trek 4 to 6 billion years ago tied to the Milky Way’s emerging bar.

Astronomers Trace Andromeda Star's Quiet Collapse Into a Black Hole

Star-Shredding Black Hole’s Radio Jet Still Surging, With Peak Predicted Around 2027

Webb Links Protostellar Bursts to Crystal Formation and Outflows in EC 53

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

AI-HPC Breakthrough Delivers First Star-by-Star Milky Way Simulation

AI-Powered Simulation Models the Milky Way Star by Star for the First Time

Pleiades Recast as Core of a Vast 'Greater Pleiades' Stellar Family

Record Black Hole Flare Points to Tidal Disruption of a Giant Star

First Radio-Bright Tidal Disruption Event Found Outside a Galaxy’s Core Shows Record-Fast Flares

Earth Enters Coronal-Hole Solar Wind Earlier Than Forecast

Record-Setting Day-Long GRB 250702B Confirmed at z = 1.036 as Origin Remains Unsettled

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

Nature Study Captures First Direct Look Inside an Exploding Star

Black Hole-Star Encounter Likely Sparked Rare Double-Peaked Supernova

Black-Hole-Driven Cluster Model Challenges Dark-Matter Interpretation of Ursa Major III

Exoplanet HIP 67522 b Triggers Supercharged Stellar Flares That Erode Its Own Atmosphere

Gas Giant HIP 67522 b Triggers Intense Stellar Flares, Accelerating Its Atmospheric Loss

Webb Pinpoints Bullet Cluster’s Mass and Dark Matter Distribution