- Extragalactic positron-annihilation hotspots might mean Milky Way produces far more positrons than thought
- The dangerous climate driving California's wildfires—and a warning for Australia
- AI tools for predicting protein folding produce chemically impossible structures and need human oversight
- Accepting free will doesn't exist could make us less hateful and ashamed
- Christmas in July: Engineers capture gigapixel 3D video of snowflakes
- A sweary boss might make you work harder (or want to quit)
- Sharks, spines and speed: The hidden architecture behind different swimming styles revealed
- Teens want more advice about navigating consent but teachers' sex ed skills are falling short
- New snail species bolster case for protecting Montenegro's biodiversity
- 'Grumpy' Pallas kittens on display at Japan zoo
- How do scientists know if climate change made a heat wave, extreme storm or wildfire worse?
- AI and robotics accelerate search for better gut microbiome therapies
- Quantum neural networks get their first hardware test
- Pennsylvania roads are being coated in radioactive wastewater—here's why
- Plants know when to grow—and when to hold back, study finds