James Webb Space Telescope Archives

James Webb Space Telescope Detects Most Distant Black Hole Ever Identified, Challenging Models of Early Cosmic Evolution

Ryan Whalen·August 8, 2025

A 13.3 billion-year-old black hole—the most distant ever discovered—has been observed by an international team of astronomers, providing new insights into the early universe.

In the Darkness Between Stars, Mysterious Rogue Planets May Be Building Worlds of Their Own, Webb Telescope Reveals

Micah Hanks·August 1, 2025

New research has revealed that mysterious ‘rogue planets’ could be assembling scaled-down planetary systems of their own.

James Webb Space Telescope Spots a “Cosmic Starfish,” Revealing Multi-Polar Chaos in a Dying Star’s Final Act

Micah Hanks·July 31, 2025

NASA’s James Webb Space Telescope catches stunning new views of a complex multi-polar structure resembling a cosmic "starfish."

Aliens, or Something Else? Astronomers Thought Life Might Exist on This Exoplanet—New James Webb Telescope Data Says Otherwise

Micah Hanks·July 25, 2025

Claims that extraterrestrial life may exist on the exoplanet K2-18b face new challenges from James Webb Space Telescope data.

James Webb Space Telescope Sees ‘Zombie’ Black Holes Spring to Life, Feasting on Stars in Dramatic Tidal Disruption Events

Micah Hanks·July 25, 2025

Astronomers have made a series of first-of-their-kind observations that uncover the dusty remains of stars ripped apart by supermassive black holes.

James Webb Space Telescope Made a ‘Puzzling’ Discovery on Jupiter’s Moon Europa—These Scientists May Have an Answer

Christopher Plain·July 23, 2025

SWRI experiments could explain puzzling levels of equatorial hydrogen peroxide on Saturn's moon Europa detected by the JWST.

exoplanets extraterrestrial life interstellar contamination

‘Interstellar Contamination’ Could Change Which Exoplanets Scientists Search for Extraterrestrial Life

Christopher Plain·July 15, 2025

A new analysis of exoplanets has shown interstellar contamination from nearby stars could change where to search for extraterrestrial life.

COSMOS2020-635829, enhanced from original JWST imagery (Credit: COSMOS2020-635829)

James Webb Space Telescope Discovers Peculiar Cosmic ‘Jellyfish’ in Rare Galactic Observation

Micah Hanks·July 2, 2025

The most distant known example of what astronomers call a “jellyfish galaxy” has been spotted by NASA’s James Webb Space Telescope.

James Webb Space Telescope Trains Its Sights on the ‘Bullet Cluster,’ Revealing a Stunning View of Galaxies in Collision

Micah Hanks·June 30, 2025

NASA’s James Webb Space Telescope has captured high-resolution images of the Bullet Cluster, revealing its complex dynamics.

Rethinking the Search for Extraterrestrial Life: Scientists Urge Broader Search as Exoplanet Discoveries Multiply

Ryan Whalen·June 28, 2025

New research says that the search for extraterrestrial life may be too narrow, as life could thrive in conditions far different from Earth's.

NASA and ESA Are Tracking an Asteroid That Might Collide With the Moon in 2031

Chrissy Newton·June 24, 2025

NASA and ESA scientists are monitoring asteroid 2024 YR4, which is now projected to have a small chance of impacting the Moon.

How The Giant Magellan Telescope Could Confirm Potential Signs of Life Spotted by the James Webb Space Telescope

Christopher Plain·June 24, 2025

The Giant Magellan Telescope team explains how the observatory will help solve the mysteries of the cosmos including the search for life.

James Webb Space Telescope Has Spotted Something “Abnormal, Chaotic, and Strange” 60 Light-Years from Earth

Micah Hanks·June 15, 2025

NASA’s James Webb Space Telescope has spotted an “abnormal, chaotic, and strange" planetary system 60 light-years from Earth.

James Webb Space Telescope Captures Odd Silicate Clouds and a Rare Moon-Forming Disk

Ryan Whalen·June 14, 2025

NASA's James Webb Space Telescope has captured high-resolution information on two young exoplanets, providing astrophysicists with fresh details about exoplanet atmospheres and formation.

James Webb Space Telescope Spots Source of ‘Extreme’ Redshift 7 Ultraviolet Light Powering Cosmic Reionization

Christopher Plain·June 12, 2025

The James Webb Space Telescope has spotted extreme galaxy clusters generating enough ultraviolet light to account for cosmic reionization.

“It Was a Crazy Idea”: James Webb Space Telescope Confirms Dramatic Phenomenon On Pluto

Ryan Whalen·June 6, 2025

James Webb Space Telescope observations suggest Pluto’s atmosphere is unlike any other in the solar system, confirming a 2017 hypothesis.

“Groundbreaking” James Webb Space Telescope Discoveries on WASP-121b Set “a Precedent for Future Exoplanet Studies”

Ryan Whalen·June 3, 2025

James Webb Space Telescope’s (JWST) observations of exoplanet WASP-121b are contributing valuable clues about how the planet formed.

James Webb Space Telescope Data Reveals Clues to Mysterious Activity Beneath Europa’s Icy Crust

Ryan Whalen·June 2, 2025

James Webb Space Telescope data indicating that Jupiter’s moon Europa is undergoing constant surface changes has found new support.

James Webb Space Telescope Unveils New Mysteries in “Largest and Deepest” Sample of Galaxies Ever Detected

Ryan Whalen·May 23, 2025

The James Webb Space Telescope yielded the largest galaxy group sample ever observed after scanning a patch of sky known as the COSMOS Web.

James Webb Space Telescope Reveals New Clues to Earthlike Mysteries on Saturn’s Moon Titan

Ryan Whalen·May 22, 2025

NASA's James Webb Space Telescope and the Keck II telescope have collected first-of-its-kind evidence for cloud formation on Titan.

James Webb Space Telescope Confirms Major Discovery of Water Ice in Alien Planetary System for the First Time

Micah Hanks·May 14, 2025

The James Webb Space Telescope has confirmed the presence of water ice in a planetary system beyond our own for the first time.

“This Has Left Us Scratching Our Heads.” NASA’s James Webb Space Telescope Spots Unexpected Light Activity on Jupiter

Micah Hanks·May 14, 2025

Stunning auroral activity has been observed on Jupiter, in an unexpected new discovery that has perplexed astronomers as to how it happens.

James Webb Telescope Unveils Secrets of Small, Mysterious Planets That “Don’t Exist in Our Solar System.”

Ryan Whalen·May 7, 2025

For the first time, astronomers have used NASA's James Webb Space Telescope to peer through the thick haze of a sub-Neptune planet’s atmosphere, offering new clues about one of the universe’s most mysterious and common types of worlds.

New Findings Cast Doubt on Spectral Evidence of Life on Distant Exoplanet K2-18b

Micah Hanks·April 25, 2025

New analysis casts doubt on potential biosignatures detected in the atmosphere of exoplanet K2-18b that could indicate the presence of life.

James Webb Space Telescope Breakthrough Reveals “Compelling” New Evidence of Long-Hidden Black Hole in Galaxy M83

Micah Hanks·April 18, 2025

Compelling evidence of a long-sought black hole at the center of the galaxy M83 has been unveiled using the James Webb Space Telescope.

James Webb Space Telescope Spots the First Potential Signs of Life Outside our Solar System

Christopher Plain·April 17, 2025

Cambridge astronomers using the James Webb Space Telescope have detected the first potential sign of life on another planet.

James Webb Space Telescope Captures a Planet Being Consumed by Its Star for the First Time, with Unexpected Results

Ryan Whalen·April 12, 2025

The James Webb Space Telescope's MIRI instrument has captured the final moments of a planet's existence, unexpectedly revealing that the object descended into its host star rather than being engulfed by it as it grew.

James Webb Space Telescope Spots the “Dawn” of the Universe Becoming Transparent

Christopher Plain·April 3, 2025

Astronomers using the James Webb Space Telescope to look back in time have found the earliest evidence of the universe becoming transparent.

Neptune's aurora superionic water extreme

NASA’s James Webb Space Telescope Just Spotted Something on Neptune Astronomers Have Never Seen Before

Micah Hanks·March 31, 2025

The eerie glow of Neptune's aurora has been revealed for the first time in new images collected by NASA’s James Webb Space Telescope.

James Webb Space Telescope Snaps The First Images of an Exoplanet with Possible Life-Giving CO₂

Ryan Whalen·March 17, 2025

New James Webb Space Telescope (JWST) images show the first carbon dioxide-containing planet discovered outside of Earth’s solar system.

More Than 100 New “Irregular” Moons Orbiting Saturn Have Been Discovered by Astronomers

Christopher Plain·March 13, 2025

Harvard astronomers have announced the discovery of over 100 previously undiscovered moons orbiting the planet Saturn.

James Webb Space Telescope Reveals Mysterious Structures Encircling Planetary Nebula NGC 1514

Micah Hanks·March 10, 2025

Stunning James Webb Space Telescope images reveal new details about a pair of mysterious infrared rings around planetary nebula NGC 1514.

Could Aliens with Human-Level Technology Detect Us? SETI Scientists Weigh In

Christopher Plain·February 12, 2025

SETI scientists try to determine whether aliens at a similar technology level to humans could detect Earth and from how far away.

James Webb Space Telescope Reveals Phenomena Behind the Deaths of Mysterious “Disintegrating Planets”

Micah Hanks·February 1, 2025

New insights into the extreme conditions behind "disintegrating planets" reveals how they are consumed by the heat of their host stars.

James Webb Space Telescope Just Spotted Something Astronomers Have Never Seen in our Solar System

Christopher Plain·January 17, 2025

Data from the James Webb Space Telescope and advanced computer models have classified a type of planet unlike any in our solar system.

James Webb Space Telescope Spies Stars in “Dragon Arc” 6.5 Billon Light Years from Earth

Christopher Plain·January 7, 2025

Researchers using the James Webb Space Telescope have imaged individual stars in the Dragon Arc galaxy thanks to gravitational lensing.

Evidence of Alien Life Became One of 2024’s Hot Topics—Could 2025 Be the Year We Learn We’re Not Alone?

Micah Hanks·December 31, 2024

Could we find alien life in 2025? Recent findings suggest we may be closer than ever to answering one of science's greatest questions.

James Webb Space Telescope Reveals Exoplanet Trappist-1 B Could Have An Atmosphere, Challenging Past Conclusions

Potentially Habitable

Ryan Whalen·December 18, 2024

The Earth-like exoplanet Trappist-1 b may have an atmosphere after all, potentially overturning earlier findings.