Science ❯ Space Exploration ❯ Telescopes

James Webb Space Telescope

Observations Observational Astronomy Observations of 3I/ATLAS Discoveries Spectroscopy Observational Techniques NIRCam MIRI Instrument Exoplanet Studies Spectroscopy of Elements

4 ARTICLES

last mo.

Interstellar Comet 3I/ATLAS Dated to 10–12 Billion Years by Webb Spectra

Measured isotope ratios point to formation in an extremely cold, metal-poor environment and suggest the early Milky Way had different chemical conditions than the Solar System.

19 ARTICLES

last mo.

Interstellar Comet 3I/ATLAS Shows Ancient, Cold Origin in JWST and Ground Spectra

7 ARTICLES

4mo ago

ALMA Finds Interstellar Comet 3I/ATLAS Strikingly Methanol‑Rich With Unusual Outgassing

7 ARTICLES

4mo ago

JWST Data Rules Out 2032 Lunar Impact by Asteroid 2024 YR4

6 ARTICLES

6mo ago

Webb Delivers Sharpest Contiguous Map of Dark Matter’s Cosmic Web

26 ARTICLES

6mo ago

Webb Delivers Sharpest Dark-Matter Map, Revealing the Universe’s Hidden Scaffold

3 ARTICLES

6mo ago

Young Black Holes Shrouded in Gas May Explain JWST’s ‘Little Red Dots’

15 ARTICLES

6mo ago

JWST’s ‘Little Red Dots’ Are Young Black Holes Shrouded in Gas, Nature Study Finds

6 ARTICLES

6mo ago

Precessing Black Hole Jet in VV 340a Drives Vast Outflow in Young Disk Galaxy

5 ARTICLES

8mo ago

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

3 ARTICLES

8mo ago

Asteroid 2024 YR4 Moon-Strike Risk Hinges on February JWST Observations

6 ARTICLES

9mo ago

Webb Unveils Red Spider Nebula’s Closed Lobes, Iron‑Traced Jet, and Shrouded Core

3 ARTICLES

9mo ago

NASA Activates Global Watch on Interstellar Comet 3I/ATLAS Ahead of Oct. 29 Perihelion

10 ARTICLES

10mo ago

JWST Finds Phosphine on Ancient Brown Dwarf, Matching Model Predictions

8 ARTICLES

10mo ago

Webb Unveils Sagittarius B2, the Milky Way’s Largest Star-Forming Cloud, in Unprecedented Detail

5 ARTICLES

10mo ago

Webb Spots Methane Gas Above Dwarf Planet Makemake

4 ARTICLES

11mo ago

Webb Releases Multiwavelength View of the 'Butterfly Star,' Revealing Dust Settling in a Planet-Building Disk

5 ARTICLES

11mo ago

Webb Spots Tiny New Uranian Moon, Lifting Planet’s Count to 29

6 ARTICLES

11mo ago

Webb Uncovers Provisional Saturn-Mass Exoplanet in Alpha Centauri A’s Habitable Zone

5 ARTICLES

11mo ago

JWST Finds No Atmosphere on TRAPPIST-1d, Removing It From Earth-Analog List

James Webb Space Telescope

Interstellar Comet 3I/ATLAS Dated to 10–12 Billion Years by Webb Spectra

Interstellar Comet 3I/ATLAS Shows Ancient, Cold Origin in JWST and Ground Spectra

ALMA Finds Interstellar Comet 3I/ATLAS Strikingly Methanol‑Rich With Unusual Outgassing

JWST Data Rules Out 2032 Lunar Impact by Asteroid 2024 YR4

Webb Delivers Sharpest Contiguous Map of Dark Matter’s Cosmic Web

Webb Delivers Sharpest Dark-Matter Map, Revealing the Universe’s Hidden Scaffold

Young Black Holes Shrouded in Gas May Explain JWST’s ‘Little Red Dots’

JWST’s ‘Little Red Dots’ Are Young Black Holes Shrouded in Gas, Nature Study Finds

Precessing Black Hole Jet in VV 340a Drives Vast Outflow in Young Disk Galaxy

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

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James Webb Space Telescope

Asteroid 2024 YR4 Moon-Strike Risk Hinges on February JWST Observations

Webb Unveils Red Spider Nebula’s Closed Lobes, Iron‑Traced Jet, and Shrouded Core

NASA Activates Global Watch on Interstellar Comet 3I/ATLAS Ahead of Oct. 29 Perihelion

JWST Finds Phosphine on Ancient Brown Dwarf, Matching Model Predictions

Webb Unveils Sagittarius B2, the Milky Way’s Largest Star-Forming Cloud, in Unprecedented Detail

Webb Spots Methane Gas Above Dwarf Planet Makemake

Webb Releases Multiwavelength View of the 'Butterfly Star,' Revealing Dust Settling in a Planet-Building Disk

Webb Spots Tiny New Uranian Moon, Lifting Planet’s Count to 29

Webb Uncovers Provisional Saturn-Mass Exoplanet in Alpha Centauri A’s Habitable Zone

JWST Finds No Atmosphere on TRAPPIST-1d, Removing It From Earth-Analog List

Never miss stories about

James Webb Space Telescope