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milky-way Articles | Developments Today

Galactic Neighborhoods infographic

NASA’s Roman telescope aims to uncover 100,000 exoplanets

NASA expects Roman to reveal around 100,000 exoplanets.
The telescope will search regions of the Milky Way largely missed by prior surveys.
Scientists hope to compare how planet formation varies across different galactic environments.

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DT Editorial Team·May 28, 2026·via nasa.gov

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The left-hand side of this artist's illustration shows the distant quasar TXS 2005+403 as it really appears, with its bright accretion disk and its powerful astrophysical jets blasting radiation into the cosmos. The right-hand side shows how intervening turbulent gas blurs and distorts the light. New research has figured out exactly how that turbulence affects images of the Milky Way's supermassive black hole. Image Credit: Melissa Weiss/CfA

Milky Way Turbulence Is Blurring Distant Quasars and Complicating Black Hole Imaging

Astronomers studied the distant blazar TXS 2005+403 over about a decade.
They found additional blurring caused by turbulence in the Milky Way’s interstellar medium.
The result could help improve future images of the galaxy’s central black hole.

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DT Editorial Team·May 18, 2026·via universetoday.com

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Image of the Milky Way above Paranal, Chile on 21 July 2007. (Credit : ESO/Y.Beletsky)

Why the Milky Way’s Southern Halo Runs Hotter Than the North

Researchers link the Milky Way’s hotter southern halo to compression caused by the galaxy’s motion toward the Large Magellanic Cloud.
The model matches eROSITA observations showing the southern halo is about 12% warmer than the north.
The explanation may also account for why cooler fast-moving gas clouds are seen more often in the northern halo.

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DT Editorial Team·Apr 29, 2026·via universetoday.com

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Image of the Milky Way with its prominent central bar. Credit - NASA/JPL-Caltech/ESO/R. Hurt

Astronomers Pin Down the Outer Limit of the Milky Way’s Star-Forming Disc

Researchers say the Milky Way’s star-forming disc ends roughly 40,000 light-years from the galactic center.
The conclusion comes from age analysis of more than 100,000 giant stars using several survey datasets.
Older stars beyond that boundary are thought to be migrants pushed outward by spiral arms or the central bar.

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DT Editorial Team·Apr 28, 2026·via universetoday.com

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The picture shows the dynamic environment around the supermassive black hole at the Milky Way's center, featuring the gas clouds G2, G2 and G2t alongside previously (Credit : ESO/D. Ribeiro for the MPE GC team)

Infrared Tracking Points Milky Way Gas Clouds Back to a Violent Binary Star System

Three unusual gas clouds near Sagittarius A* appear to share nearly identical orbits.
Researchers traced those orbits back to the massive contact binary IRS 16SW.
Simulations suggest shocks from the binary’s stellar winds can create the observed gas clumps.

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DT Editorial Team·Apr 24, 2026·via universetoday.com

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DT Editorial Team·Apr 12, 2026·via universetoday.com

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DT Editorial Team·Apr 5, 2026·via space.com

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DT Editorial Team·Mar 14, 2026·4 min read·via sciencedaily.com

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DT Editorial Team·Feb 25, 2026·5 min read·via phys.org

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DT Editorial Team·Feb 21, 2026·6 min read·via space.com

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DT Editorial Team·Feb 17, 2026·5 min read·via sciencedaily.com

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One of the oldest stars in the Universe migrated to the Milky Way from another galaxy. Credit: NASA/ESA/STScI/Univ. of Michigan/CfA

Ancient Star Found in the Milky Way May Have Arrived From Another Galaxy

A student team found an extremely metal-poor star using Sloan Digital Sky Survey data.
The star may be one of the oldest known and likely formed outside the Milky Way.
The discovery connects early stellar chemistry with the Milky Way’s merger history.

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An artist’s impression of streams of stars around a galaxy. The galaxy occupies most of the image as a fuzzy blue-white oval with spiral features extending out clockwise. The light clouds are interspersed with small dark brown splotches in the same spiral pattern around the center, representing dust clouds. The galaxy’s center is a bright yellow glow. Overlaid on top of and surrounding the galaxy are several criss-crossing, faint tendrils of stars that represent satellite dwarf galaxies and star clusters that have been stretched out into long thin lines. The tendrils have various lengths and widths, though all are arcs rather than complete circles. The background is black.

Milky Way Study Uncovers Dozens of Hidden Stellar Streams

Researchers used Gaia data and a new algorithm to identify dozens of faint stellar-stream candidates.
The reported method more than quadruples the number of known candidates.
The findings could help explain both Milky Way evolution and dark matter distribution.

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Our Sun may have escaped the Milky Way’s center with thousands of twin stars

Our Sun May Have Migrated From the Milky Way's Crowded Core

Scientists found evidence the Sun may have migrated from the Milky Way's dense inner regions to the calmer outer disk billions of years ago
Radial migration driven by gravitational interactions with spiral arms can move stars large distances over billions of years
The quieter outer disk may have been a necessary condition for Earth's long-term habitability

More in Science→

ALMA Captures Largest-Ever Image of Milky Way's Hidden Center

Largest-ever ALMA mosaic spans 650 light-years across the Milky Way's Central Molecular Zone
Reveals intricate network of cold gas filaments channeling material toward star-forming regions
Detected dozens of molecules from silicon monoxide to complex organics like acetone and ethanol
Five papers published in MNRAS, with data publicly released for global research community

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An illustration of a pulsar lurking in Galactic Center close to the supermassive black hole Sgr A*

The Milky Way May Be Hiding a Rapidly Spinning Magnetar at Its Very Heart

An 8.19-millisecond pulsar candidate has been detected near the supermassive black hole Sagittarius A*
If confirmed, it would enable the most precise tests of Einstein's general relativity ever conducted
The discovery emerged from the Breakthrough Listen Galactic Center Survey, one of the most sensitive radio searches of its kind
The object may be a magnetar with a magnetic field 1,000 times stronger than an ordinary pulsar
All observational data has been made publicly available for independent verification by global research teams

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Ultra-fast pulsar found near the Milky Way’s supermassive black hole

Ultra-Fast Pulsar Candidate Detected Near the Milky Way's Supermassive Black Hole

A millisecond pulsar candidate spinning every 8.19 milliseconds was detected near the Milky Way's supermassive black hole
The discovery emerged from the Breakthrough Listen Galactic Center Survey using the Green Bank Telescope
If confirmed, it could serve as a precision tool for testing Einstein's general relativity under extreme gravity
Follow-up observations are underway, with all data released publicly for independent verification
Very few pulsars have been found near Sagittarius A* despite models predicting thousands should exist

More in Science→