Water bears do not have extensive foreign DNA, new study finds

Tardigrades, also known as moss piglets or water bears, are eight-legged microscopic animals that have long fascinated scientists for their ability to survive extremes of temperature, pressure, lack of oxygen, and even radiation ...

No health risk from Fukushima radiation, UN says

Radiation leaked after Japan's Fukushima nuclear disaster in 2011 is unlikely to cause any ill health effects in the future, a UN scientific committee drawing up a major new report said Friday.

How the sun gets its spots

Sunspots are huge, dark, irregularly shaped--and yet, temporary--areas of intense magnetism on the sun that expand and contract as they move.

No health effects from Fukushima: Japan researcher

A Japanese government-backed researcher said Friday no health effects from radiation released by the stricken Fukushima nuclear plant have been seen in people living nearby.

Responding to the radiation threat

Berkeley Lab researchers are developing a promising treatment for safely decontaminating humans exposed to radioactive actinides from a major radiation exposure event, such as a nuclear reactor accident or a "dirty bomb" ...

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