Space
Astronomers Spy Swarms of Black Holes at Our Galaxy's Core
Anticipated but never before seen, the existence of tens of thousands of these dark objects at the galactic center could have far-reaching implications for astrophysics
Features
Space
Here Come the Waves
After a clutch of historic detections, gravitational-wave researchers have set their sights on some ambitious scientific quarry
Space
Looking for Planet Nine, Astronomers Gaze into the Abyss
Two years on, the search for our solar system’s missing world is as frenzied as ever—and the putative planet is running out of places to hide
Space
Astronomers Boggle at a Distant Galaxy Devoid of Dark Matter
The newfound object NGC 1052-DF2 defies easy explanation and could lead to breakthroughs in our understanding of how galaxies form and evolve
Departments
- From the Editor
The Ripple Effect
- Forum
To Keep NASA's Golden Age Alive, We Need More Telescopes--but Far Less Expensive Ones
- News
Does a Quantum Equation Govern Some of the Universe's Large Structures?
NASA's Next Exoplanet Hunter Will Seek Worlds Close to Home
Black Hole Pretenders Could Really Be Bizarre Quantum Stars
- Sky Report
Celestial Movement
- Opinion
Space Technology Could Change the Balance of Power in Africa
Stephen Hawking: The Universe Does Not Forget, and Neither Will We
Escape from Proxima b
