Science ❯ Astronomy ❯ Astrophysics

Celestial Objects

Interstellar Objects Brown Dwarfs Long-Period Radio Transients Comets Fireballs Radio Astronomy Magnetars Neutron Stars Black Holes Star Systems Asteroids Natural Satellites Lunar Companions Black Hole Stars Mars Flyby Comet Composition Cometary Phenomena 3I/ATLAS 3I/Atlas Natural Comets Rogue Worlds Cometary Theories Long Period Radio Transients Binary Stars Pulsars

Astronomers Map Orbit and Mass of Stormy Brown Dwarf Around Nearby Red Dwarf

Gaia-only acceleration on a faint red-dwarf host enabled the first precise dynamical mass for this companion.

JWST Study Proposes ‘Black Hole Stars’ to Explain Mysterious Early‑Universe Red Dots

Webb Spots Tiny New Moon Around Uranus, Bringing Count to 29

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

Active Interstellar Comet 3I/ATLAS Set for Safe Solar System Passage

Mysterious 44-Minute Radio Transient Reveals Unprecedented X-ray Pulses

Mysterious Cosmic Transient Emits Radio and X-Ray Pulses Every 44 Minutes