UV radiation comes primarily from the sun and is made up of UVA, UVB, and UVC rays. UVC rays do not reach Earth, but both UVA and UVB rays pose health risks. Learn more here.

What’s as strong as steel, as light as aluminum, and capable of withstanding ballistic impact, fire, and radiation? Metal foam. Over a decade ago, engineer Afsaneh Rabiei of North Carolina State ...

Learn why a lichen found in the Mojave Desert has become key evidence in the search for extraterrestrial life.

Cherenkov radiation is a form of energy that we can perceive as a blue glow emitted when the electrically charged particles that compose atoms (i.e. electrons and protons) are moving at speeds faster ...

More often, sunlight—or shortwave radiation—interacts with the Earth in subtle but curious ways. ... Phys.org. Shortwave radiation sheds light on how Earth works. Story by Science X staff • 1d.

Why are many radiation oncologists failing to adopt to the new standard treatment option for a range ... Despite Strong Evidence, Hypofractionated Radiation Underused in US - Medscape - December ...

NASA captured an image of the sun emitting a powerful solar flare that could interfere with technology on Earth.

It is all too often forgotten that the rays can still be harmful even after the height of summer. When the autumn sun is low, harmful UV radiation ...

There are some individuals who seem to rise above it all with a smile. Here are 10 rare traits of people with a strong light and incredible inner strength. Some people just shine from the inside.

In 1974 Stephen Hawking famously claimed that black holes should emit particles as well as absorb them. This so-called "Hawking radiation" has not yet been observed, but now a research group from ...

JERUSALEM, Aug. 12 (Xinhua) -- An Israeli-German research team discovered unusual behavior in carbon dioxide (CO2) molecules under strong radiation, the Hebrew University of Jerusalem (HU) said on ...