NASA maps a week of Canadian wildfire smoke across North America
A new NASA model visualization traces brown-carbon smoke from July 14 through July 20 as unhealthy air spread through major U.S. and Canadian cities.
Verified visual coverage from the publishers and primary sources credited with each story.
A new NASA model visualization traces brown-carbon smoke from July 14 through July 20 as unhealthy air spread through major U.S. and Canadian cities.

A final Homeland Security rule replaces open-ended duration-of-status admissions with fixed terms and a new federal extension process beginning September 15.
Read the story →Latest stories
104 stories in this desk.Secretary of State Marco Rubio convened officials from more than 60 countries, opening a new international push that critics say rests on a disputed assessment of the threat.
The president used a national address to press for tighter voting rules and publish federal records, but presented no evidence that the 2020 result was changed.
Federal data show a fifth monthly gain in retail spending, although the increase was smaller than May's and the figures are not adjusted for inflation.
Lipfendra gives adults a pill-based way to block PCSK9, with trials showing large LDL reductions when added to existing care.
President Trump publicly opposed the suspension of most ICE vehicle stops, and field offices were told the tactic remains available, leaving the earlier restriction effectively reversed but still poorly documented.
Measurements closer to Earth suggest geomagnetic currents may keep strengthening as solar-wind forcing rises, with implications for satellites and navigation systems.
Eleven of twelve Federal Reserve districts reported slight-to-moderate growth, while higher fuel and input costs continued to pressure households and businesses.
The producer-price index declined 0.3 percent from May as energy costs dropped, while prices remained 5.5 percent higher than a year earlier.
The 2026 Water Resources Development Act cleared committee unanimously, authorizing studies and projects for ports, waterways, flood control and dam safety.
NASA reports all-time highs in Montana, Wyoming and Utah as dangerous heat expands into other parts of the country.
The PROMISE Act would create a structured process for Congress to consider a long-term solvency plan, but it does not itself choose benefit or tax changes.
The new budget framework would open a fast-track process for Iran-war funding, agricultural aid and election-policy changes, but it is still several votes from becoming law.
A dedicated space for original illustrations, photo essays, newsroom commissions, and the visual idea of the week.

Fresh reporting and public-interest coverage from official news and science channels.
Video is provided by the named publishers through YouTube’s privacy-enhanced player. Playback begins only when you choose it.
A considered collection of stories, ideas, and small discoveries—delivered every Sunday morning.
Free to join. Unsubscribe anytime. Add text alerts or manage your choices →