Science ❯ Astronomy

Stellar Evolution

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Webb Measures Atmosphere and Heat of a Planet Orbiting a White Dwarf

New JWST data plus thermal models suggest the gas giant was reheated by a late inward migration billions of years after its star died.

New JWST Findings Complicate Origins of Little Red Dots

New Models Suggest Earth Could Avoid Being Engulfed by the Sun

Study Says Earth Could Avoid Being Engulfed by Dying Sun

Fermi Uncovers Likely Binary Pair of Supernova Remnants Near IC 443

Gemini Image Shows Nine‑Year Binary Sculpting the Crystal Ball Nebula

Bright Nova Appears Below the Southern Cross and Is Being Tracked by Astronomers

Gemini North Reveals Crystal Ball Nebula Shaped by a Nine‑Year Binary

Fermi Detects Gamma Rays From Superluminous Supernova SN 2017egm

Astronomers Identify Most Chemically Pristine Star Ever Observed

Astronomers Find Most Pristine Star Yet From the Large Magellanic Cloud

XRISM Confirms White Dwarf Powers Gamma Cassiopeiae’s Extreme X-Rays

Ryan Gosling’s ‘Projet Dernière Chance’ Opens in Theaters Today

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

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

Astronomers Unveil Most Compact Known 3+1 Quadruple-Star System

TESS Reveals Most Compact 3+1 Quadruple-Star System Yet

Webb Unveils Layered 'Exposed Cranium' Nebula With Jet-Carved Divide

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