Virtually all light-emitting diodes used today require phosphors based on so-called rare-earth elements, which are expensive ...

The beleaguered California lake is running low and might be poisoning nearby communities with toxic hydrogen sulfide gas.

Emissions of hydrogen sulfide raise health concerns in communities near California's largest lake, researchers say.

A study measured methane flow from more than 450 nonproducing wells across Canada, but thousands more remain unevaluated.

Colloidal halide perovskite nanocrystals have emerged as strong candidates for light-emitting diodes and solar applications ...

This is the first time an object in its class has been detected in X-rays. The discovery could lead to a better understanding ...

In addition, we also present an overview of key areas of future research that have the potential to enable the next generation of UV-emitting devices. The electromagnetic spectrum is divided into ...

An international team reported Wednesday that this celestial object — perhaps a star, pair of stars or something else entirely — is emitting X-rays around the same time it's shooting out radio ...

According to data reviewed and analyzed by Colorado State University researchers, Colorado's forest as a collective is now emitting more carbon into the atmosphere than it is absorbing. Data ...

ROME (Reuters) - Italian Prime Minister Giorgia Meloni said on Wednesday the European Union's 2035 target to end the sale of carbon-dioxide emitting cars shows a "self-destructive" position on ...