Astrophysics

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

Hubble Reveals Largest Known Planet-Forming Disk, 'Dracula’s Chivito'

An edge-on view 1,000 light-years away reveals visible-light structure that creates a rare laboratory for planet-formation studies.

Sun-Facing Tail in Interstellar Comet 3I/ATLAS Reveals Wobbling Jets, Suggesting 15.5-Hour Rotation

New Review Finds Cosmic Dipole Mismatch Challenging Standard Cosmology

NASA’s SPHEREx Releases First Full-Sky Infrared Map in 102 Colors

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

Webb Finds Carbon-Rich Atmosphere on Lemon-Shaped Planet Orbiting a Pulsar

Hubble Catches Two Debris-Cloud Collisions at Fomalhaut, Recasting ‘Fomalhaut b’

Interstellar Comet 3I/ATLAS Makes Closest Pass to Earth at About 168 Million Miles

NASA’s SPHEREx Releases First Full-Sky Infrared Map in 102 Colors

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

Webb Spots Carbon-Rich, Lemon-Shaped Planet Orbiting a Pulsar

JWST Confirms Runaway Supermassive Black Hole Traveling at About 1,000 km/s

JPL Completes Launch-Stress Qualification Tests for Firefly’s Blue Ghost Mission 2

ALMA Now Fully Equipped as 145 Low-Noise Amplifiers Complete Band 2

MAVEN Still Silent as Data Point to Unexpected Spin and Possible Orbit Change

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

NASA Details Roman Telescope’s Milky Way Map and Dark Energy Void Surveys as Launch Prep Advances

Interstellar Comet 3I/ATLAS to Make Safe Closest Approach Friday at 167 Million Miles

JWST Detects Chemical Traces of 1,000–10,000‑Solar‑Mass First Stars in Galaxy GS 3073