News
- Astronomy
Red giants map how the Milky Way grew
A new catalog of the ages of our galaxy’s stars confirms that the Milky Way grew from the inside out.
-
- Life
Body’s bacteria don’t outnumber human cells so much after all
New calculations show human cells about equal bacteria in the body.
- Earth
Ground shakes expose faraway earthquake hot spots
A major earthquake in Costa Rica revealed faraway areas where fluids have weakened rock and boosted the risk of a major earthquake, new research suggests.
