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

"We've always known that we need something to complete the puzzle, but we haven't really known what shape or form those ...

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

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

The James Webb Space Telescope has just observed the oldest dead galaxy, that is, one in which the birth of new stars has ...

Astronomers may have uncovered a hidden population of galaxies that could rewrite what we know about the universe's evolution ...

"We discovered a galaxy which formed 15 billion times the mass of the sun in stars and then stopped forming stars before the universe was only 700 million years old." ...

Astronomers have peered back in time to find what looks like a population of "hidden" galaxies that could hold the key to ...

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...

A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding. In ...