JADES-GS-z13-1-LA is a young galaxy shining just 330 million years after the Big Bang, signaling it's part of a process called reionization.

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s matter. The rest is mysterious dark matter. But even that modest slice didn ...

It’s the cosmological equivalent of having slid between the cushions down the back of the couch; that is the place you should have suspected but hadn’t looked.

A new study in Monthly Notices of the Royal Astronomical Society by researchers including István Szapudi of the University of ...

Dark matter is hypothesized to outweigh "ordinary matter" in the universe by a factor of five. That means all the stuff we ...

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

A paper published in 2024 theorizes that time may have existed before the Big Bang, but we're still not entirely sure.

These bursts, or “transient temporal singularities,” might explain why the universe is expanding without needing mysterious ...

The most distant and earliest "dead" massive galaxy ever seen shows some galaxies lived fast and died young shortly after the ...

Among the vast galaxy of sitcoms, The Big Bang Theory has carved out a devoted fan base—so much so that its universe continues to expand with spin-off shows.

Astronomers have reached deeper into the heart of a brilliant cosmic engine than ever before, using NASA’s Hubble Space ...

In recent years, one of the most troubling puzzles in astrophysics has grown more urgent. Scientists have realized that the ...