The World Health Organization (WHO) wrapped up Exercise Polaris II, a 2-day high-level simulation exercise, based around an ...

Our planet is under a constant bombardment of radiation—from space. Well, maybe it’s not as scary as that makes it seem. “Radiation” is a catchall term astronomers use for forms of light—including ...

Scientists shot lasers at a semiconductor nano-lasagna to show how electrons behave. In the right conditions, the electrons became polarons, dragging oppositely-charged atoms along for the ride. The ...

When fundamental particles are heavier or lighter than expected, physicists' understanding of the universe can tip into the unknown. A particle that is just beyond its predicted mass can unravel ...

Tens of kilometers above Earth's surface, high-energy particles from outer space constantly strike the atmosphere, creating ...

"This is the first time we have observed, for a large interval in momentum and for multiple species, this flow pattern in a subset of proton collisions in which an unusually large number of particles ...

"Cicada" is trending, but not because it's the season for the noisy insects to appear. The Centers for Disease Control and Prevention and the World Health Organization are both monitoring a COVID-19 ...