Science ❯ Astronomy ❯ Observational Astronomy ❯ James Webb Space Telescope

Spectroscopy

Early Galaxies Seeded Space With Heavy Elements 500 Million Years After the Big Bang

A Nature Astronomy paper reports JWST spectra that detect multi‑phase, metal‑rich outflows from three z≈7–9 galaxies and suggests early baryon cycling quickly removed pristine gas.

5 ARTICLES

2mo ago

3I/ATLAS Nears Dec. 19 Earth Flyby as NASA Affirms It Is a Natural Interstellar Comet

3 ARTICLES

last yr.

New Modeling Strengthens Direct-Collapse Black Hole Explanation for JWST’s ‘Little Red Dots’

10 ARTICLES

last yr.

Webb Reveals Silicate Clouds and Moon-Forming Disk in YSES-1 System

Spectroscopy

Early Galaxies Seeded Space With Heavy Elements 500 Million Years After the Big Bang

JWST Spectra Show Hidden Low‑Mass Stars That Raise Galaxy Masses

JWST Finds Candidate 'Black Hole Star' MoM-BH*-1 in Early Universe

Astronomers Identify a Black Hole Star at Cosmic Dawn

JWST Detects Atmosphere and Reheating of Giant Planet Orbiting a White Dwarf

JWST Shows Jupiter‑Size Planet Migrated Into Close Orbit Around a White Dwarf

JWST Finds 50‑Million‑Sun Black Hole Outgrowing Its Tiny Host

JWST Finds Ultra-Faint Galaxy Showing Chemical Traces of the First Stars

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

3I/ATLAS Nears Dec. 19 Earth Flyby as NASA Affirms It Is a Natural Interstellar Comet

New Modeling Strengthens Direct-Collapse Black Hole Explanation for JWST’s ‘Little Red Dots’

Webb Reveals Silicate Clouds and Moon-Forming Disk in YSES-1 System