This microbe can survive doses of radiation that would obliterate any other living thing. Here’s what this means for science ...

Increasing concerns over clinicians' risks of developing cancer or other health problems from ionizing radiation exposures on the job prompted members of the American Medical Association (AMA) House ...

Recent release of the waste water from Japan's Fukushima nuclear disaster stirred apprehension regarding the health implications of radiation exposure. Classified as a Group 1 carcinogen, ionizing ...

Most people interpret radiation as a bad thing—but it isn’t always. In fact, radiation is a very normal phenomenon. For now, let’s just say that radiation is when an object produces energy. When a ...

Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our sun millions of years ago.

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Bob Benjamin was observing the Milky Way when he noticed something odd. The professor in the University of Wisconsin-Madison's astronomy department, and co-author of a new study, saw a red, tilted ...