Science ❯ Astrophysics

Stellar Phenomena

Supernovae Star Formation Solar Dynamics Solar Flares Sun Massive Stars Star Clusters Solar Corona Sunspots Star Death Light Signatures Energy Transfer Supernova Types Star Behavior Collapsing Stars Star Brightness Black Holes Supernova Gas and Dust Emissions Optical Afterglow Petrowa Ray Star Disruption Massive Stellar Explosions Star Systems Cosmic Events Light Curves Ultraviolet Radiation Star Interactions Plasma Physics Stellar Winds Solar Eruptions Young Stars Occultation Events Energy Sources Star Flares Magnetic Fields Star Life Cycle Solar Surface Features Stellar Activity Radiation Effects Tidal Disruption Events Nova Characteristics Novas Red Dwarfs Gas Clouds Stellar Flares Magnetized Plasma Planetary Formation Star Destruction

DKIST Captures Tiny Kelvin-Helmholtz Whirlpools on the Sun’s Surface

The images point to a small-scale process that can twist magnetic fields and may help explain coronal heating and how flares and CMEs gain energy.

Tonight the Moon Will Hide Regulus Across Parts of the Americas

SETI Study Finds Stellar Space Weather Can Smear Technosignatures Past Current Searches

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

SETI Study Finds Stellar Space Weather May Smear Alien Radio Signals

ALMA Unveils Record 650-Light-Year Mosaic of the Milky Way’s Turbulent Core

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

JWST Spots Record-Distant Supernova Tied to March Gamma-Ray Burst

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

Most Luminous Black-Hole Flare on Record Traced to Star Torn Apart 10 Billion Light-Years Away

Geomagnetic Storm Hits G3 as Earth‑Directed CME Approaches

Record Black Hole Flare Shone With the Light of 10 Trillion Suns From 10 Billion Light-Years Away

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

Webb Telescope Rules Out Atmosphere on Earth-Sized Exoplanet TRAPPIST-1 d

Compact Detector Records First Reactor-Based Coherent Neutrino Scattering

Simulations Predict Roman Telescope Will Record About 100,000 Cosmic Explosions

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

Astronomers Reveal Extreme Nuclear Transients as Universe’s Most Powerful Explosions