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

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

Since the James Webb Space Telescope (JWST) began science operations, astronomers have observed galaxies that existed more ...

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

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

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Researchers mapped a far-infrared landscape brimming with nearly 2,000 galaxies. There may be "hidden galaxies" lurking just out of sight.

A team of astronomers has discovered what appears to be a previously undetected population of "hidden" galaxies that could ...

"We think that, once we go further away from the galaxy, we recover ... "The cosmic microwave background is in the back of everything we see in the universe. So, you can use that as a backlight ...

For decades, astronomers have known something didn’t add up in our universe. The amount of “normal” matter—stars, gas, and ...