The term “hydrogen economy” refers to the vision of using hydrogen as a clean, low-carbon energy resource to meet the world’s energy needs, replacing traditional fossil fuels in various applications, ...

Hydrogen is an element; it exists naturally as a molecule. Each hydrogen molecule is made up of two hydrogen atoms. In hydrogen cars hydrogen reacts with oxygen in a fuel cell, making electricity ...

A galaxy gleaming in the Cosmic Dawn, just 300 million years after the Big Bang, has just been spotted harboring something it oughtn't.

Accompanying Lesson Plan: Lesson 3.2: Finding Volume—The Water Displacement Method The chart shows that atomic size and mass for the first 20 elements ... The mass of hydrogen is the lowest of all the ...