Microblazars — a miniature version of blazars — may be responsible for mysterious ultra-high-energy particles.
Microblazars — a miniature version of blazars — may be responsible for mysterious ultra-high-energy particles.
Young Yosemite toads survive winter, then emerge with a deadly fungus 
Are hypernovas real? 
Here’s how brain-eating amoebas may infect people 
A video of a humpback whale and her dead calf reveals the animals’ bond 
A new map points out U.S. rivers most worth protecting 
Exhaling may speed up reaction times 
Astronomers say they’ve spotted the first miniature quasar pointed at Earth 
Rotting food waste emits 5 times more greenhouse gases than planes 
‘He felt heard’: How a film brought a UN report to life in Xochimilco 
Beyond the Moon: Space Week around the world