Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

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

"The three-dimensional world of ordinary experience—the universe filled with galaxies, stars, planets, houses, boulders, and ...

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

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

The Milky Way, our home galaxy, is part of a different supercluster called Laniakea, which, at 500 million light-years wide, ...

Our journey to comprehend the Universe’s edge begins with the concept of the observable Universe. This term refers to the portion of the cosmos that we can theoretically detect from Earth.

A new theory suggests our universe and a time-reversed twin could emerge together. This quantum approach avoids singularities ...

Despite decades of searching for this signal, astronomers have yet to find it. The problem is that our Earth is too noisy, ...

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