You need only trace amounts of selenium to survive. Falling outside of this narrow therapeutic window can have significant ...

Due to the absence of liquid water on the surface, it was previously thought that its color came from dry iron oxides, but now it is believed that its past was much wetter. The Romans, responsible for ...

Their role in technology and the global economy has made countries with rare earths a key focus in geopolitical discussions.

Scientist is proud to have led "the first astrobiology study to involve Algeria," and believes that his findings are a major step towards finding evidence of life on Mars.

Ruling parties were defeated at the ballot box in four African countries last year, and in a fifth, the incumbent party only ...