Astronomers have released a paper revealing that they have discovered the exact diameter of the Milky Way galaxy. The paper has been released by astronomers from Durham University in England, and more ...

Keeping in mind that one light year is equal to about 6 trillion miles, the spiral disk of stars that is our Milky Way Galaxy spans 100,000 light years in diameter. The thickness of that disk, though, ...

This image provided by the European Space Agency ESA, is Gaia’s all-sky view of our Milky Way Galaxy and neighboring galaxies, based on measurements of nearly 1.7 billion stars. The map shows the ...

The Milky Way hosts at least 17 billion Earth-size alien planets, and probably many more, a new study reveals. Astronomers have determined that about 17 percent of stars in our galaxy harbor a roughly ...

"The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden ...

Katherine Hignett is a reporter based in London. She currently covers current affairs, health and science. Prior to joining Newsweek in 2017, she edited a medicine industry newspaper and its ...

It's notoriously tricky to measure the size of the Milky Way from within. Astronomer's have trouble seeing the forest for the trees—or in this case, the galaxy for the stars. But a new study sheds ...

Imogen Whittam works for the University of the Western Cape. She receives funding from the South African Radio Astronomy Observatory. The Milky Way is the galaxy we live in. A galaxy is a system of ...

Computer simulations and observations of nearby galaxies helped astrophysicists determine that the Milky Way stretches nearly 2 million light-years across, Ken Croswell reported in “Astronomers find ...

This article was originally published on The Conversation. Read the original article. Our Milky Way and the Andromeda galaxy—two giant galaxies in our local patch of the universe—are heading for an ...