Inbox Astronomy: NASA=?UTF-8?Q?=E2=80=99s_?=Webb Studies How Planet Survived Death of its Star

INBOX ASTRONOMY

NASA’s Webb Studies How Planet Survived Death of its Star

Release date: Wednesday, July 1, 2026 11:00:00 AM Eastern Daylight Time

WD 1856 b likely migrated to its current location billions of years after its star became a white dwarf.

Exoplanet WD 1856 b is a world that shouldn’t exist. It orbits a white dwarf star at a separation of less than 2 million miles – well within the “danger zone” where it should have been engulfed when its host star went through a red giant phase earlier in its life. To understand how it survived and learn more about it, astronomers studied this planet with NASA’s James Webb Space Telescope. Their findings could have implications for the future of our own solar system in 5 billion years.

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World’s Fastest High-Throughput Homogenizer: Tough Samples in ≤10 Seconds

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Inbox Astronomy: NASA=?UTF-8?Q?=E2=80=99s_?=Webb Pinpoints Millions of Stars Within Cigar Galaxy

INBOX ASTRONOMY

NASA’s Webb Pinpoints Millions of Stars Within Cigar Galaxy

Release date: Tuesday, June 23, 2026 10:00:00 AM Eastern Daylight Time

By piercing through thick dust, new details of galaxy M82 shine through.

The James Webb Space Telescope has provided an in-depth look at edge-on spiral galaxy Messier 82 (M82), a prototypical starburst galaxy that is forming stars 10 times faster than our own Milky Way galaxy. This dynamic environment has previously garnered observations by many observatories, including the Hubble and retired Spitzer space telescopes.

First imaged by Webb in 2024, a team of astronomers has recently revisited the scene with the telescope as part of an imaging survey, seeking to untangle the complex evolutionary history of this one-of-a-kind galaxy. Their observations reveal millions of stars and powerful outflows of gas and dust.

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Inbox Astronomy: Hubble Details Early Galaxy Transforming Neighborhood

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Hubble Details Early Galaxy Transforming Neighborhood

Release date: Tuesday, June 23, 2026 10:00:30 AM Eastern Daylight Time

Researchers show that a galaxy’s young, tightly packed stars converted nearby gas from opaque to clear only 1.4 billion years after the big bang.

Astronomers have demonstrated how one galaxy that existed when the cosmos was only 1.4 billion years old transformed the gas in and around itself: Light from its young, massive, closely clustered stars blasted through opaque, electrically neutral gas, causing it to ionize and clear. This galaxy, cataloged MXDFz4.4, lived at a time when a universal event known as the Era of Reionization was wrapping up.

MXDFz4.4 is the earliest of its kind. It is the only galaxy at this distance to date that appears in a deep Hubble Space Telescope survey in a particular visible-light filter that uniquely captures the energetic light escaping from its young stars. “Hubble returned the only view that shows the galaxy’s ionizing photons — light capable of clearing the ‘fog’ in and around the galaxy,” explained Ilias Goovaerts, the first author of a new paper in the Astrophysical Journal and a postdoctoral fellow at the Space Telescope Science Institute (STScI) in Baltimore, Maryland.

Hubble’s observations are supported by both the James Webb Space Telescope and the European Southern Observatory’s ground-based Very Large Telescope (VLT). Webb helped the team estimate the properties of the galaxy and analyze its older stellar population, which is not responsible for converting the gas. The VLT dated exactly when this galaxy existed.

This rare example helps astronomers pin down the sources of high-energy light that caused the gas in the entire universe to gradually transition — permanently clearing our view.

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Inbox Astronomy: NASA=?UTF-8?Q?=E2=80=99s_?=Webb Finds Clues to Ancient, Distant Origin of Comet 3I/ATLAS

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NASA’s Webb Finds Clues to Ancient, Distant Origin of Comet 3I/ATLAS

Release date: Monday, June 22, 2026 11:00:00 AM Eastern Daylight Time

The third identified interstellar comet in human history has a surprising chemical makeup, raising questions as to how common, or unusual, conditions in our own solar system may be. 

Billions of years ago in a nascent planetary system somewhere in the Milky Way galaxy, the icy fragment now known as 3I/ATLAS was getting knocked around as larger planets formed. Powerful gravitational interactions eventually catapulted it out of the system, and it began a journey through our Milky Way galaxy.

In July 2025, the comet was only the third interstellar object ever detected passing through our solar system – the meaning of the ‘3I’ in its name. Objects like 3I/ATLAS offer the unparalleled opportunity for up-close study of something from very far away. Astronomers used the NIRSpec (Near-Infrared Spectrograph) instrument on NASA’s James Webb Space Telescope to discover surprising details of 3I/ATLAS’s chemical makeup, with ratios of heavy carbon and heavy hydrogen never seen among comets in our solar system. Future study of interstellar objects will build on these findings toward a better understanding of how our solar system fits into the larger picture of our galaxy.

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Inbox Astronomy: NASA's Webb Catches Exoplanet Getting Roasted

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NASA's Webb Catches Exoplanet Getting Roasted

Release date: Tuesday, June 16, 2026 5:15:00 PM Eastern Daylight Time

Webb follows the path laid by the Spitzer Space Telescope to drill down on details of one of the most extreme exoplanets yet discovered.

The extremely elliptical orbit of gas giant exoplanet HD 80606 b results in temperature swings of 1,100 degrees Fahrenheit (600 degrees Celsius) during the course of its 111-day trip around its Sun-like star. Scientists see the exoplanet’s extreme conditions as an ideal opportunity to test current understanding of atmospheric radiation, dynamics, and chemistry. NASA’s James Webb Space Telescope has captured the first mid-infrared spectroscopic observations of the exoplanet before, during, and after its closest approach to its star. The research team behind the study is presenting Webb’s observation program, and their preliminary results, at the 248th meeting of the American Astronomical Society in Pasadena, California.

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Inbox Astronomy: NASA Webb, Hubble Reveal History of Relic of Milky Way=?UTF-8?Q?=E2=80=99s_?=Formation

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NASA Webb, Hubble Reveal History of Relic of Milky Way’s Formation

Release date: Tuesday, June 16, 2026 1:15:00 PM Eastern Daylight Time

New research shows that Terzan 5 contains four separate generations of stars, confirming it as the prototype of a “bulge fossil fragment.”

Researchers have confirmed a new class of objects within our Milky Way galaxy: survivors called “bulge fossil fragments.” Terzan 5 is the prototype of these remnants of our galaxy's early formation. Billions of years ago, similar primordial clumps spread out and merged to form the Milky Way’s bulge, yet Terzan 5 remained intact until the present day.

A new study that combined recent observations from the James Webb Space Telescope and data taken over 12 years from the Hubble Space Telescope has definitively shown that Terzan 5 experienced up to four distinct episodes of star formation, confirming that it’s not a true globular cluster. Instead, it is something much odder and rarer.

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Inbox Astronomy: NASA Webb Finds Strongest Evidence Yet for ‘Black Hole Stars’

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NASA Webb Finds Strongest Evidence Yet for ‘Black Hole Stars’

Release date: Wednesday, June 10, 2026 10:00:00 AM Eastern Daylight Time

Many of the scattered pieces of the little red dot puzzle are coming together. 

Since their initial discovery by NASA’s James Webb Space Telescope in 2022, astronomers have been making steady progress in solving the mystery of these small, red objects that populate the early universe. 
 
By combining the power of Webb with a natural “telescope,” a team of scientists recently obtained the deepest spectrum to date of a little red dot. Referred to as GLIMPSE-17775, this compact red source’s abundant spectral lines provide multiple lines of evidence that converge to support the black hole star scenario: Little red dots are black holes enshrouded by cocoons of hot dense gas.

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Inbox Astronomy: STScI Scientists Surprised to Find Brightness ‘Gap’ in Ancient Star Cluster

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STScI Scientists Surprised to Find Brightness ‘Gap’ in Ancient Star Cluster

Release date: Wednesday, June 3, 2026 10:00:00 AM Eastern Daylight Time

Tools developed at STScI for the Hubble Space Telescope were critical to this discovery.

In a serendipitous discovery, STScI scientists using the Euclid space telescope have for the first time found a red-dwarf brightness “gap” feature in the population of a globular cluster—an ancient, crowded collection of stars. A similar gap was first identified in data from the Gaia observatory of nearby stellar populations. However, it has never before been detected in a globular cluster. The gap provides clues to processes happening deep within the stars’ interiors.

This finding would not have been possible without the software and techniques originally developed at STScI for NASA’s Hubble Space Telescope over more than two decades. These tools allowed the team to push the limits of Euclid, and in the future, the Roman Space Telescope.

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