Mysterious dark matter makes up 85 percent of matter in the universe, and of the remaining 15 percent, scientists couldn’t ...

Astronomers tallying up all the normal matter—stars, galaxies and gas—in the universe today have come up embarrassingly short ...

It is observed that about half of the matter cannot be occupied just by stars and galaxies. Scientists say that hydrogen gas clouds could unveil it. Missing matter of the universe may have finally ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

The fast-moving gas cloud could help explain the so-called missing satellite problem, if the object is what scientists think ...

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

Scientists have discovered a new method to extract low-emissions hydrogen from natural gas fields while trapping carbon ...

One emerging solution is blue hydrogen, a low-carbon fuel derived from natural gas with carbon capture and storage (CCS) to ...

US Geological Survey geologists estimated large potential for—and large uncertainty about—the amount of hydrogen ...

A West Texas oil executive will go to prison for violating laws meant to protect workers — actions that led to the deaths of ...