All Stories
- Environment
Cattle chemical can return in the night
Steroid to beef up cows breaks down, but can reassemble under the right conditions.
- Science & Society
A new look and other fruits of our digital experiments
Science News has reinvented itself many times over the decades, and while our latest incarnation pushes us into the digital future, our mission remains unchanged: to translate the latest advances of science into an easy-to-read form.
- Astronomy
Last gorge for galaxy’s central black hole gauged
Relic light suggests the supermassive black hole at the Milky Way's center was millions of times more active 2 million years ago.
- Life
Killer cells trained on leukemia may protect some people
Immune system seems to remember cancer in people who've never had it, a new study suggests.
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- Neuroscience
Scented naps can dissipate fears
People unlearned an odor's unpleasant accompaniment when they smelled it in their sleep.
- Climate
Slashing greenhouse gas emissions could save millions of lives
Simulations suggest reduced air pollution would improve public health.
- Life
Protein injection triggers vessel repair
Retina blood lines regrow when treated with angiopoietin-1, a new study suggests.
- Environment
Cool Idea
While nations concede a pressing need for attacking carbon dioxide emissions, other pollutants offer quicker paybacks.
- Space
Exploring Earth’s alien spaces
Nathalie Cabrol, a planetary geologist and astrobiologist at the SETI Institute’s Carl Sagan Center and NASA’s Ames Research Center, both in Mountain View, Calif., hunts for alien life.
