Hydrogen, the simplest of all elements, is a Group 1A element possessing one proton and one electron. Henry Cavendish recognized it as a distinct substance in 1766 although it was produced on a regular basis much before that time. Antoine Lavoisier...

A hydrogen atom is an atom of the chemical element hydrogen. It is composed of a single negatively-charged electron circling a single positively-charged proton. The nucleus of hydrogen consists of only a single proton (in the case of hydrogen-1 or...

Bouncing cold hydrogen atoms to a focus When a slow-moving hydrogen atom splashes down on a liquid-helium surface, it usually bounces away in much the same way as a light beam reflects from a mirror. Physicists have now used that effect to...

After being separated from the sand in the Alberta oil sands, Athabasca bitumen, an extremely complex mixture of hydrocarbons containing heteroatoms, is commercially converted to crude oil by heating it in an inert atmosphere (coker) or with hydrogen (hydrocracker). Cokers are normally run...

Astronomers believe they've glimpsed light from some of the universe's first stars through the world's largest telescope on the Big Island. The astronomy team from the California Institute of Technology, which was to present its findings in London on Wednesday, said they used the Keck...

Faced with scathing criticism from a congressional panel, Purdue University has agreed to add at least one independent scientist to its latest inquiry of a nuclear scientist who claims he produced nuclear fusion in tabletop experiments.The new probe announced Thursday night comes three months after...