Physical & Technology

1. Scientists discover a hidden switch inside silver nanocatalysts

2. The sun will vanish over Europe in a rare total solar eclipse: Watch live

3. Voyager 2 was running out of power. NASA just bought it more time

4. A 0.42-nanometer breakthrough could push transistors beyond silicon

5. Cassini reveals a surprising twist in Saturn’s magnetic shield

6. Chemists set electrons free and break a decades-old chemistry barrier

7. Meteorite that smashed through a New Jersey roof reveals clues to life’s origins

8. The sun is covered in tiny whirlpools we’ve never seen before

9. New fuel cell breakthrough could help power energy-hungry data centers

10. Sunlight creates quantum entanglement once thought to require lasers

11. Scientists tracked 12 people in Antarctica for 10 months—what happened could shape future Mars missions

12. This tiny gold crystal could bring quantum technology out of the deep freeze

13. UCLA scientists discover how to guide heat like light at room temperature

14. The key to colonizing Mars may be hidden inside asteroids

15. A star’s violent death exposed a hidden supermassive black hole