New measurements suggest that two of the Milky Way's spiral arms are around 10% farther away from Earth than we thought. The ...

New measurements suggest that two of the Milky Way's spiral arms are around 10% farther away from Earth than we thought. The findings may require experts to revise estimates of the total size of our ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Three of the oldest stars in our universe have been discovered, and ...

Astronomers used cosmic explosions to find that we may be wrong about our own galaxy.

For decades, scientists have used the Milky Way as a model for understanding how galaxies form. But three new studies raise questions about whether the Milky Way is truly representative of other ...

Using data from NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM-Newton, a team of researchers made ...

Astronomers discovered the Milky Way's spiral arms extend 10% farther than previously estimated, using light echoes from ...

The gigantic galaxies we see in the universe today, including our own Milky Way galaxy, started out far smaller. Mergers throughout the universe's 13.7 billion years gradually assembled today's ...

To find the universe’s oldest stars, you must look for the ones with low chemical abundances and a retrograde orbit. That’s what a group of students in a class of MIT professor of physics and division ...

Without doubt Chile is the world’s capital for optical astronomy —- with international telescopes and observatories throughout the country’s arid northern tier. But despite Chile’s bounty of ...

Galaxies from the early Universe are more like our own Milky Way than previously thought, flipping the entire narrative of how scientists think about structure formation in the Universe, according to ...