Think of a mystery musical instrument. If a physicist is told the loudness of the sound it makes at every possible frequency, ...

Scientists say the Universe has no edge, but that doesn't mean it's infinite. A Manchester astrophysicist explains what we ...

A vast filament of gas stretching across the cosmos may help solve the mystery of the Universe’s missing matter. Astronomers ...

A new cosmological simulator logs its scientific predictions and refutations in real time, storing hashes in blockchain with full offline ...

For years, scientists have worked to chart the universe’s massive structure, aiming to test key models of cosmology. These ...

What happens when the universe's most magnetic object shines with the power of 1000 suns in a matter of seconds? Thanks to NASA's IXPE (Imaging X‑ray Polarimetry Explorer), a mission in ...

But again, we do not know—and perhaps can never know—the true extent or shape or structure of the universe. We are locked inside of our observable bubble, and as far as we can tell, it’s flat.

The universe's vastness challenges human comprehension. It contains trillions of galaxies and countless stars. Pluto's distance highlights cosmic scales. The observable universe spans 93 billion ...

SETI Methodology and Facilities SETI relies on plenty of methods and technologies to seek out signals in the universe. For starters, it deploys large radio telescopes with high sensitivity to ...

A thin shell of air wraps around Earth, stretching about 20 miles above the surface. This invisible veil is packed with tiny molecules that sustain life. Just beyond this fragile layer lies the ...

However, the observable universe extends farther than 13.8 billion light-years in every direction because, for all the time space has existed, it’s also been expanding.

Most galaxies, including our Milky Way, contain tens of billions of stars that are readily observable. Even in nearby galaxies, such as Andromeda, which is about 2.5 million light-years away ...