News
- Cosmology
In an epic cosmology clash, rival scientists begin to find common ground
Different measurements of the cosmic expansion rate disagree. The James Webb telescope could determine whether that disagreement is real.
- Physics
A nuclear clock prototype hints at ultraprecise timekeeping
Nuclear clocks could rival atomic clocks and allow for new tests of fundamental physics. A new experiment demonstrates all the ingredients needed.
- Animals
Scientists piece together clues in a shark ‘murder mystery’
A missing porbeagle shark was likely killed by a great white. It’s the first known case of adult porbeagles being hunted by a predator, scientists say.
- Health & Medicine
What is ‘Stage 0’ breast cancer and how is it treated?
Actress Danielle Fishel's diagnosis has raised awareness of a condition that affects about 50,000 U.S.
