Four Stellar Generations Prove Terzan 5 Is Fossil of Milky Way, Not Cluster
For 58 years, astronomers cataloged Terzan 5 as a globular cluster — one of the ancient, densely packed…
The Largest, Most Detailed Image of the Milky Way’s ‘Heart’ Shows 60 Million Stars
Euclid’s capture of our galaxy’s bulge. Credit: ESA Euclid has taken the largest and most detailed photo ever…
NASA’s Roman Mission Preps to Unveil New Populations of Faraway Worlds
This plot shows currently known exoplanets, with different categories highlighted. Roman will help fill in the bottom-right of…
Scientists think the mysterious glow in our galaxy could be from dark matter. What that means
At the center of our galaxy, there’s a mysterious, diffuse glow given off by gamma rays — powerful…