A ripple in the outskirts of the Milky Way—and a hunch—led Rochester Institute of Technology astrophysicist Sukanya Chakrabarti to a previously undetected dwarf galaxy hidden under a veil of dark ...

The motions of stars in the Milky Way have revealed a giant outward ripple, set off by a massive event sometime in our galaxy's wild past. In a new analysis of data collected by the Gaia space-mapping ...

Using ESA's Gaia satellite, astronomers have investigated three open clusters in the galactic disk, namely Berkeley 17, 18 ...

What astronomers mean by a galactic “wobble” When astronomers talk about the Milky Way wobbling, they are not referring to the galaxy drifting off course in the universe, but to the way its thin ...

Our understanding of the galaxy has advanced with every leap in the number of stars. From early observations to more and more advanced space and ground-based telescopes, each milestone has revealed ...

(Nanowerk News) A new snapshot of an ancient, far-off galaxy could help scientists understand how it formed and the origins of our own Milky Way. The study has been published in Monthly Notices of the ...

As scientists attempt to learn more about how galaxies evolve, an open question has been whether collisions with our dwarf galactic neighbors will one day tear apart the disk of the Milky Way. Stelios ...

The galaxy our planet inhabits is called the Milky Way for the simple reason that, as seen from our world, its impossible-to-count collection of stars looks like a band of milky white light. In all ...

A new snapshot of an ancient, far-off galaxy could help scientists understand how it formed and the origins of our own Milky Way. At more than 12 billion years old, BRI 1335-0417 is the oldest and ...