Detected levels were 5,000 times lower than danger threshold. March 31, 2011— -- Milk from America's West Coast containing trace amounts of radioactive iodine is safe to drink, health officials ...

Home appliances make life easier, but a few can emit radiation—especially when they’re malfunctioning, damaged, or very old. Most produce non‑ionizing radiation at safe levels (like microwaves or ...

WASHINGTON - President Barack Obama, trying to reassure a worried nation, declared Thursday that "harmful levels" of radiation from the Japanese nuclear disaster are not expected to reach the U.S., ...

Radiation levels in Earth's atmosphere rose to the highest level in nearly two decades in November after a rare solar super-flare pummeled the planet with high-speed particles from the sun. The solar ...