Scientists may have found a new way to detect some of the universe's most mysterious objects, primordial black holes (PBHs), ...

In cosmology, the cosmic microwave background radiation is a form of electromagnetic radiation discovered in 1965 that fills the entire universe. It has a thermal 2.725 kelvin black body spectrum ...

In the Big Bang Theory, the cosmic microwave background — microwave-range radiation that floats through the entire universe ...

Background radiation is the invisible radiation that is always present in our environment. It comes from a variety of sources, both natural and man-made. Natural sources include cosmic rays from space ...

What is cosmic microwave background radiation? Did it happen after the Big Bang? – Sreehari, aged nine, Kerala State, India ...

All the latest science news on cosmic background radiation from Phys.org. Find the latest news, advancements, and breakthroughs.

Chest: 7 mSv, equal to about 2 years of background radiation; Lung cancer screening: 1.5 mSv, equal to about 6 months of background radiation; ...

Background radiation, originating from natural sources such as radon and terrestrial materials, as well as human-made activities, can have harmful effects on health and the environment.