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Spectroscopy

Data Analysis Chemical Analysis James Webb Space Telescope Redshift Measurement Radial Velocities Multi Unit Spectroscopic Explorer Light Analysis Radial Velocity Infrared Spectroscopy Ultraviolet Spectroscopy

Astronomers Confirm Four Hidden White Dwarfs Within 65 Light-Years

Hubble ultraviolet spectra separated white-dwarf light from red-dwarf flares, creating a roadmap to hunt more candidates with Gaia astrometry.

Webb Detects Methane on Interstellar Comet 3I/ATLAS

Astronomers Pinpoint the Milky Way’s Star-Forming Edge at About 35,000–40,000 Light-Years

JWST Spots Record-Low Metallicity in ‘Forbidden’ Giant Planet’s Atmosphere

Astronomers Identify Most Chemically Pristine Star Ever Observed

JWST Finds Metal-Poor Atmosphere on Giant Planet Around a Small Red Dwarf

Second Infant Planet Confirmed Forming Around Nearby Star WISPIT 2

Astronomers Reconstruct NGC 1365’s 12-Billion-Year Past With Extragalactic Archaeology

JWST Confirms MoM‑z14, Most Distant Galaxy Yet, at Redshift 14.44

Giant Metal-Bearing Cloud Tied to Hidden Companion Explains Months-Long Dimming of Sun-Like Star

New Spectrograph Reveals Mars-Mass Iron Bar in the Ring Nebula

Mars-Mass Iron Bar Discovered Inside the Ring Nebula by New WEAVE Spectrograph

First All-Sky Census of Nearby K Dwarfs Flags 529 Prime Targets for Earth-Like Planet Searches

JWST Finds Twin Helium Tails Streaming From Hot Jupiter WASP-121b

Webb Confirms Overmassive Black Hole Feeding in a Galaxy 570 Million Years After the Big Bang

Astronomers Confirm Gliese 251c, a Nearby Super-Earth in the Habitable Zone

Nearby Habitable-Zone Super-Earth Candidate GJ 251 c Announced in Peer-Reviewed Study

3-Billion-Year-Old White Dwarf Is Actively Devouring Rocky Debris, Study Finds

Hubble Spots White Dwarf Devouring Nitrogen‑Rich, Pluto‑Like Icy Debris

Researchers Map Spacecraft Views of Interstellar Comet 3I/ATLAS as Perihelion Nears