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- SCIENTIFIC AMERICAN2 DAYS AGO

Physicists find major clue to matter’s biggest mystery
Researchers have nailed down an elusive quantity called baryon number, which may be responsible for the cosmic mismatch between matter and antimatter
2 DAYS AGO
Mike Fincke, NASA Astronaut Whose Health Scare Led to I.S.S. Evacuation, Has Retired
Mike Fincke spent 459 days in space across four missions, the fourth most time of any NASA astronaut.
2 DAYS AGO
Trump Wants the M.M.R. Vaccine Split Into Three Separate Shots. Doctors Say It’s a Bad Idea.
President Trump is calling for immunizations for measles, mumps and rubella to be given in individual jabs in three different appointments instead of the standard combination shot.
2 DAYS AGO
How to Catch the ‘Eclipse of the Century’ in 2027, When Spain, Egypt and More Go Dark
On Aug. 2, Southern Europe, North Africa and the Middle East will witness a solar blockbuster with extra-long totality. If you want to see it, book soon.
2 DAYS AGO
This Pesticide May Be Too Dangerous to Use. Farmers Say They Need It.
California announced that it’s phasing out paraquat, a pesticide widely used in the United States that is linked to Parkinson’s disease.
- SCIENTIFIC AMERICAN21 HOURS AGO

A nonspeaking person is the star of this opera. AI made that possible
What if artificial intelligence is used to amplify human creativity rather than replace it?
- SCIENTIFIC AMERICAN19 HOURS AGO

What the mathematics of billiards can tell us about loving and letting go
A mathematician may have solved a 250-year-old question about whether every polygon contains a path home
- SCIENTIFIC AMERICAN20 HOURS AGO

When will Betelgeuse go supernova?
Betelgeuse, the sky's most famous red supergiant, is well studied but poorly understood
- SCIENTIFIC AMERICAN17 HOURS AGO

The X-Files creator Chris Carter on Scully, science and the truth that’s still out there
The creator of The X-Files discusses the Frankenstein elements in the newly released director's cut of "The X-Files: I Want to Believe," and how Mary Shelley's classic influenced the story.
- SCIENTIFIC AMERICAN15 HOURS AGO

Why is Illinois suddenly being hit with so many tornadoes?
This state, which has seen more than 200 twisters this year, could beat Texas's all-time record of 244 tornadoes in 12 months
- SCIENTIFIC AMERICAN14 HOURS AGO

Why 14 inches of rain fell in Japan in just one day
The extreme rain was deadly, with at least 8 people killed and many others stranded
A DAY AGO
Early-Onset El Niño
The global weather disrupter appears to be taking a toll, and its peak could still be months away.
- SCIENTIFIC AMERICAN11 HOURS AGO

Tropical Storm Lala nears Hawaii as forecasters expect it to strengthen into a hurricane
Hawaii rarely sees direct hurricane hits—if Lala strengthens, it will be just the third recorded hurricane to make landfall there
2 DAYS AGO
See the 2026 European Solar Eclipse, in Photos and Videos
People gathered across the continent to watch the total solar eclipse on Wednesday.