The James Webb Space Telescope was late to launch, but the observatory is making gup for lost time. After two years of ...

One yellow dwarf star, for example, is known to have a planet teaming with life, perhaps even intelligent ...

Light toward the blue end of the visible spectrum, for example, is higher frequency—and thus higher energy—than light at the red end. Thus it packs a greater punch. And ultraviolet radiation ...

Artificial lighting and the abundance of electronic devices surrounding us emit blue light, which has a harmful effect on the ...

By Nathan Wilson Our natural environment ideally consists of systems that operate together in such a way that all living ...

A single gamma ray photon, for example, might carry ~100,000 times the ... In contrast, high frequency ultraviolet, X-rays and gamma rays are called ionizing radiation, since individual photons of ...

Accuracy is a measure of how effectively UV sensors measure ultraviolet radiation. Power range and weight are also ... UV sensors are used in many different applications. Examples include ...

The word laser usually conjures up an image of a strongly concentrated and continuous light beam. Lasers that produce such ...

The most likely way we will discover life on a distant exoplanet is by discovering a biosignature. This can be done by ...

It is important to note that many other confounding risk factors contribute to lens opacities, for example, age, diabetes mellitus, corticosteroids use, smoking or ultraviolet radiation exposure.

The Northern Lights were visible over much of the UK last night, including parts of England. The Met Office has forecast ...

What consumers can do to reduce environmental health threats all around us - It’s a paradox of modern life: We want more and ...