James Webb Space Telescope
19 reportsFor readers assessing James Webb Space Telescope, the relevant threads are survey data products, spectral or imaging analysis, and archive-based discoveries. To distinguish observation from inference, reporting sets independent analyses beside calibrated observations in the discussion of spectral or imaging analysis; the account does not overlook that sensitivity, resolution, and selection effects constrain interpretation.
Neptune's Inner Moons May Preserve Debris From Ancient Ice Worlds
Infrared observations from the James Webb Space Telescope reveal unexpected clay minerals on two small Neptunian moons, supporting a debris-origin scenario while leaving the fate of their original ice unresolved
Webb Telescope Maps Dusty Structures in Active Galaxy Centaurus A
NASA's James Webb Space Telescope has captured a detailed mid-infrared image of Centaurus A, revealing complex dust lanes and energetic activity in this nearby galaxy using its MIRI instrument
NASA Prepares Roman Space Telescope for Early Launch to L2 Orbit
NASA's Nancy Grace Roman Space Telescope is set for launch on August 30, aiming to deliver wide-field infrared surveys and exoplanet imaging from a stable orbit beyond the Moon
Webb Telescope Study Links Little Red Dots to Black Hole Activity
Astronomers using the James Webb Space Telescope have traced the origins of mysterious 'little red dots' in deep space, suggesting these compact sources are linked to phases of intense supermassive black hole activity
NASA Prepares Roman Space Telescope for 2026 Launch to L2 Orbit
NASA has fueled the Roman Space Telescope, a next-generation infrared observatory scheduled for launch in August 2026, aiming to collect hundreds of terabytes of cosmic data annually and expand studies of dark matter, dark energy, and exoplanets
Chandra X-ray Data Reveal Black Hole Jet Disrupting Early Galaxy
Astronomers using the Chandra X-ray Observatory have detected a jet from a supermassive black hole disturbing gas in a distant galaxy known as the 'red potato,' offering new insight into how black holes can suppress star formation in the early universe
Ejected Matter May Account for Universe's Missing Baryons
Researchers analyzing intergalactic space have identified a significant fraction of the universe's missing ordinary matter, suggesting that violent galactic outflows may have expelled it beyond galaxies' boundaries
Webb Telescope Links 'Little Red Dots' to Ancient Star Clusters
Astronomers using the James Webb Space Telescope have traced mysterious 'Little Red Dots' in the early universe to the possible origins of globular clusters, offering new clues about how these dense stellar systems formed
Giant Exosatellite Discovery Redefines Boundaries of Planetary Systems
Astronomers have identified a Jupiter-sized exosatellite orbiting a brown dwarf, itself in orbit around the star CD-35 2722. The finding, made using high-resolution spectroscopy, challenges current definitions of moons and planets.
Exoplanets Smaller Than Mars May Lose Atmospheres Too Quickly for Life
A new planetary modeling study suggests rocky exoplanets must be at least 80% the width of Earth to retain atmospheres for billions of years, narrowing the search for potentially habitable worlds around sun-like stars
Webb Telescope Reveals How Early Galaxies Produced Cosmic Dust
Astronomers used the James Webb Space Telescope to study a nearby dwarf galaxy, uncovering how ancient galaxies enriched the early universe with stardust essential for star and galaxy formation
Webb Telescope Reveals 4.4-Billion-Year-Old Galaxy Cluster in Formation
The James Webb Space Telescope has imaged the young galaxy cluster MACS J0553.4-3342, capturing light that began its journey 4.4 billion years ago and offering new insight into the assembly of large-scale cosmic structures
Webb data links early red dots to UV-bright companions and black hole seeds
A new analysis of James Webb Space Telescope images suggests that compact 'little red dots' in the early universe may form near ultraviolet-bright companions, offering a possible route to the rapid birth of supermassive black holes
James Webb Telescope Detects Unidentified Infrared Signal on Titan and Pluto
The James Webb Space Telescope has recorded a mysterious infrared absorption feature on both Saturn's moon Titan and the dwarf planet Pluto, hinting at shared surface chemistry despite their contrasting environments
Webb Telescope Maps Gas Feeding a Supermassive Black Hole
Astronomers using the James Webb Space Telescope have mapped gas flows around a supermassive black hole, revealing a self-regulating cycle that may explain rapid black hole growth in the early universe
Webb Telescope Uses Gravitational Lensing to Reveal Ancient Galaxies
The James Webb Space Telescope has captured a detailed image of the galaxy cluster MACS J0553.4-3342, using gravitational lensing to magnify galaxies from the universe's first billion years
Webb Telescope Reveals Merging Young Galaxy Cluster 4.4 Billion Light-Years Away
NASA's James Webb Space Telescope has imaged the galaxy cluster MACS J0553.4-3342 as it appeared 4.4 billion years ago, capturing two massive sub-clusters in the process of merging and highlighting the gravitational effects shaping distant galaxies
Webb Telescope Detects Hidden Giant Planet in Beta Pictoris System
Astronomers have identified a third giant exoplanet in the Beta Pictoris system using the James Webb Space Telescope's spectroscopic capabilities, revealing a world previously concealed by the system's bright debris disk
Metasurface Grating Demonstrates Compact Solar Magnetic Field Mapping
A polarization-sensitive metasurface grating has matched conventional instruments in mapping solar magnetic fields, offering a route to smaller, simpler, and potentially more robust hardware for future space-based solar telescopes