Earth
Mammals moving between the Americas stopped over in Mexico
Ancient mammals may have had an easier time moving across the Isthmus of Panama from north to south thanks to Mexico’s climate.
Science News INDEPENDENT JOURNALISM SINCE 1921
Featured Stories
Trending Stories
We summarize the week's scientific breakthroughs every Thursday.
Spotlight on Wildfire Smoke and Health
Science News Magazine
From Science News Investors Lab
Featured Media
What’s to blame for Canada’s wildfires?
The inferno that sent toxic smoke billowing toward the United States won't be the last. Officials are now battling both the wildfires and misinformation.
