Simulations find ghostly whirls of dark matter trailing galaxy arms - Ars Technica

Read also:

• What’s the saddest thing you’ve seen at your job?
• My Girlfriend Had a Legendary Sex Life Before Me. No One Will Let Me Forget It. - Slate Magazine
• What should I expect after a BBL surgery?
• Have you ever had a secret crush on anyone?
• What are the main issues that have historically and currently divided Republicans and Democrats?
• After 600 Years, Astronomers Finally Solve the Mystery of the Missing ‘Guest Star’ - Gizmodo
• AI risks 'broken' career ladder for college graduates, some experts say - ABC News
• Ryan Lochte’s wife Kayla reveals ‘painful’ divorce after seven years of marriage - New York Post
• Should any books be banned from school libraries? Why is it important for students to read certain books in school?
• ‘I Couldn’t Stop Crying’: Swifties React as Taylor Swift Reveals She Finally Owns Her Music - Rolling Stone