Astrophysics

Cosmology Observational Astronomy Cosmic Phenomena Stellar Evolution Celestial Mechanics Orbital Mechanics Black Holes Star Formation Galaxies Planetary Science

Hubble’s Chance Shots Catch Comet C/2025 K1 (ATLAS) Shattering Days After Sun Flyby

Newly released images from November 8–10, 2025 underpin an Icarus study that lets scientists reconstruct a rare early-stage comet breakup.

Study Traces Small Magellanic Cloud’s Odd Stellar Motions to Past Crash With the Large Magellanic Cloud

JWST Helps Reveal Sulfur-Rich Magma-Ocean World L 98-59 d

Parker Solar Probe Completes Record-Close 27th Pass of the Sun

Ancient Star in Pictor II Bears the Imprint of One Weak First-Generation Supernova

New Studies Probe KM3NeT’s Ultra-High-Energy Neutrino, Testing New Physics Against Cosmogenic Models

Astronomers Publish Evidence of Planetary Collision Around Sun-Like Star

August 2, 2027 Total Solar Eclipse Will Be the Longest of the Century

Study Confirms DART Nudged Asteroid Pair’s Orbit Around the Sun

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

ALMA Finds Interstellar Comet 3I/ATLAS Strikingly Methanol‑Rich With Unusual Outgassing

Gaia Finds Thousands of Solar Twins, Tying the Sun to a Mass Migration Across the Milky Way

Nature Study Links Superluminous Supernova to Newborn Magnetar Through Relativistic 'Chirp'

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

Eccentric Orbit Confirmed in Neutron Star–Black Hole Merger GW200105

Construction Begins on MOTHRA, a 1,140-Lens Telescope in Chile to Map the Cosmic Web

Retired Van Allen Probe A Reenters Over Eastern Pacific After Solar Activity Speeds Orbital Decay

Magnetar ‘Chirp’ Identified in Superluminous Supernova as Short GRB Localized to Tidal-Stream Dwarf

ALMA Maps Show Interstellar Comet 3I/ATLAS Is Exceptionally Methanol-Rich

SETI Study Finds Stellar Space Weather May Smear Alien Radio Signals