About half of the non-dark matter in the universe cannot be accounted for by stars and galaxies alone. Now, scientists say ...

"We don't know the frequency, so we need to keep tuning and trying different ones, like searching for a good radio station ...

"The new model can account for both structure formation and stability, and the key observational properties of the expansion of the universe at large." ...

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 ...

In simplest terms, the rate at which the universe expands on paper doesn’t match actual astronomical observations. That speed ...

Euclid's first data release offers a breathtaking glimpse into our universe, revealing over 26 million galaxies and ...

Scientists have finally found the universe’s missing matter—hidden as ionized gas in the cosmic web. This discovery reshapes ...

The CMZ spans almost 700 light years and contains some of the most dense molecular gas in the galaxy. Over the years, ...

NASA’s Lucy spacecraft is set to fly by the asteroid Donaldjohanson on April 20 in a key rehearsal for its primary mission to ...

Astronomers have used space-based telescopes, including NASA's Swift X-ray observatory, to watch a monster black hole spring ...

VISIONS of leaving Earth and launching humanity further into the cosmos are enough to get anyone starry-eyed. But the ...