Have you ever had an X-ray taken of your bones? Well, so has the Milky Way. NASA's Chandra X-ray Observatory regularly images ...

The cosmic microwave background (CMB) is the oldest light in the Universe, emitted approximately 380,000 years after the Big Bang. It is microwave radiation that uniformly fills space, a witness to ...

Man has always been exposed to natural radiation arising from the earth as well as from outside the earth. The radiation we receive from outer space is called cosmic radiation or ... any exposure ...

The cosmic microwave background (CMB) is the oldest light in the Universe, emitted approximately 380,000 years after the Big Bang. It is microwave radiation that uniformly fills space, a witness ...

"The cosmic microwave background is in the back of everything ... black hole is gobbling up gas and stars and producing lots of radiation. This makes them stand out as what astronomers call ...

Background radiation released by soil, rocks and cosmic rays is always in the environment. Most of it comes from natural sources but some also comes from artificial sources. Radioactive sources ...

(CNN) — Astronomers have been trying to determine the cosmic origins of the heaviest ... Occasionally, magnetars unleash a bonanza of radiation due to “starquakes.” On Earth, earthquakes ...

A recent US study raises concerns about the increasing use of CT scans in India, potentially leading to a rise in radiation-induced cancers. Experts emphasize the need for judicious use of CT ...

It took a full year of testing, experimenting and calculating for them and another group of researchers at Princeton to explain the phenomenon: It was cosmic microwave background radiation ...