Astrophysics

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

NASA’s Swift Observatory Burns Up Over North Sumatra After Failed Rescue

The uncontrolled descent shows the risks of rushed commercial rescues, accelerating planning for safer retirement of aging space telescopes.

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Hubble and Webb Reveal Hidden Stars Inside Carina’s 'Cat’s Head' Pillar

Double Debris Disc Found Around White Dwarf J1328−1450

Webb Reveals Turbulent Stellar Nursery N159 in the Large Magellanic Cloud

NASA Ends Swift Observatory Mission as Telescope Falls Toward Reentry

Euclid Space Telescope Discovers Previously Unknown Comet

Milky Way Minispiral Found to Be Metal-Rich Near Sgr A*

Astronomers Identify 'Treble Clef' as a Radio Phoenix Revived by a Cluster Collision

Roman Space Telescope’s Main Camera Performs Better Than Planned

Study Finds Earth-Mass Orbits Could Survive in Nearby Binary Star System

Astronomers Report Candidate 'Phoenix' Planet Orbiting White Dwarf

Astronomers Report Candidate Second‑Generation Planet Orbiting White Dwarf

JWST Spectra and MEGATRON Simulations Show Heavy Elements Flooded the Cosmic Dawn

Webb and Spitzer Spectra Show Two Kinds of Giant Planetary Collisions

NASA’s Swift Observatory Is Falling From Orbit After Commercial Rescue Attempt Failed

Photograph of ‘Shark Nebula’ Wins ZWO Astronomy Photographer of the Year

JWST Finds Heat‑Redistributing Atmosphere on Hot Super‑Earth HD 3167 b

Smile Cleared for Science as Ultraviolet Imager Captures Full Auroral Ring

Juice Executes Precise Earth Flyby to Boost Speed and Redirect Toward Jupiter

Harvest Moon Arrives Saturday, Sept. 26