Science ❯ Astronomy ❯ Astrophysics

Stellar Systems

Red Dwarfs Binary Stars Red Dwarf Stars Star-Planet Interactions Young Stars TWA 7 System Solar-type Stars Brown Dwarfs Planetary Masses M5V-M6V Stars Planetary Motion Wolf-Rayet Stars Gamma Cassiopeiae Long-Period Transients Gamma-Cas Host Stars Planetary Orbits Low-Mass Stars

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

The result pins the emission on accretion onto a magnetic white dwarf, prompting updates to models of how massive binaries evolve.

Astronomers Find Rare ‘Inside-Out’ Planetary System With Rocky Outer World

Closest Directly Imaged Planet Around Two Suns Confirmed on a 300-Year Orbit

Webb Maps Four Dust Spirals and Confirms Third Star in Rare Apep Wolf-Rayet System

TOI-2267 Becomes First Binary With Planets Transiting Each Star

Astronomers Confirm Rare Quadruple System Pairing Two Red Dwarfs With Two T-Type Brown Dwarfs