The Milky Way’s story is written in chemical fingerprints and stellar streams, revealing a complex history of ancient mergers and a future trajectory toward a massive collision with Andromeda. For most of human history, people saw the Milky Way as a...

the motions of ancient stars act like a fossil record of past galactic upheavals. Beyond the familiar spiral disc, the Milky Way’s stellar halo retains debris from long‑ago mergers and torn‑apart dwarf galaxies, offering clues to how our galaxy...

ancient stars in a nearby galaxy, showing that the earliest chemical history of the universe was not limited to the Milky Way. Some stars are more than points of light in the sky. They are time capsules. Formed billions of years ago, these stars still...

A new computer simulation of a Milky Way‑like galaxy reveals an unexpected phenomenon deep within its core, reshaping our view of galactic centers. A recent high‑resolution simulation of a Milky Way‑type galaxy demonstrates that the dense nuclear star...

Simulations reveal the Milky Way holds about 170 million dark stellar-mass black holes, mapping their hidden distribution across the galaxy. A fresh theoretical framework now ties the present‑day positions, masses and velocities of stellar‑mass black...

Simulations reveal most stellar‑mass black holes in the Milky Way are likely isolated and undetectable with current methods. State‑of‑the‑art simulations indicate that more than nine‑tenths of the Milky Way’s stellar‑mass black holes travel alone,...

Vera C. Rubin Observatory has discovered Aquarius IV, one of the faintest satellite galaxies ever observed orbiting our Milky Way. The Vera C. Rubin Observatory has officially logged its first major success, identifying an elusive satellite galaxy known...

decades‑old maps indicated. A team of astronomers has delivered one of the most accurate distance determinations to the Milky Way’s far‑flung spiral arms, showing that several outer regions lie farther from the Sun than standard maps have suggested. The...

Astronomers finally solve the decades‑old mystery of the giant structure once thought to erupt from the Milky Way’s core. A team of astronomers has finally clarified the nature of a luminous bubble that for four decades was thought to be a colossal...

New cosmic simulations reveal the Milky Way formed from a turbulent network of thousands of small galaxies in the early universe. A sophisticated new suite of supercomputer simulations suggests our Milky Way began its life as a chaotic, densely packed...

July’s sky is packed with planets, meteor showers, the Milky Way and a bright summer full moon—perfect for stargazers. July promises an abundant lineup of celestial sights, from planetary groupings and meteor streams to a dark‑sky view of the Milky...

for the Sun’s surprisingly low silver content. By tracking how this scarce metal is forged and spread throughout the Milky Way, the authors provide fresh insight into the galaxy’s chemical evolution. Why the Sun Lacks Expected Silver Silver belongs to a...

After 40 years of hunting the Milky Way’s giant arc, astronomers uncovered a hidden clue that reveals an even stranger nearby structure. For forty years astronomers have debated the nature of a striking radio feature that arches away from the Milky...

the search for it. For years, astronomers have looked to the long, ribbon-like stellar streams wrapping around the Milky Way as vital clues in the hunt for dark matter. The prevailing theory suggested that these structures, formed by the tidal...

new clues about how violent stellar encounters push massive stars out of their birth clusters. The largest stars in the Milky Way are usually easy to find. They shine brightly, burn fast, and almost always sit inside star clusters where they were born....

A newly discovered star orbiting Sagittarius A* could provide astronomers with a rare, groundbreaking way to measure the Milky Way’s central black hole. Astronomers have uncovered a celestial speedster named S301, a star hurtling through the extreme...

A mysterious chemical discovery within a giant cloud near the Milky Way’s core is challenging current theories about how distant regions of space evolve. Astronomers have uncovered a massive, chemically diverse gas cloud near the galactic center that...

close to the Galactic center, showing that these small stars can release energy in unexpected ways. The center of the Milky Way is one of the busiest places in the sky. Stars are packed tightly together, clouds of gas drift between them, and the remains...

Milky Way hosts a powerful cosmic accelerator that generates the galaxy’s highest‑energy protons, scientists confirm. A multinational research collaboration has verified that LHAASO J1912+1014u functions as a rare proton PeVatron—an astrophysical...

material, or someone who is just interested in astronomy in general,” said Weijmans. Deep Dives into Black Holes and the Milky Way The scale of DR20 is substantial, offering over three million distinct spectra of stars and galaxies. This treasure trove...