In its first year alone, it will double the amount of data collected so far by every other instrument in the history of ...

The space between galaxies First, let’s define what’s meant by “expansion.” On Earth, “expanding” means something is getting bigger. And in regard to the universe, that’s true, sort of.

For the first time, scientists have used Earth-based telescopes to look back over 13 billion years to see how the first stars in the universe affect light emitted from the Big Bang.

It's last trip near Earth came about two years ago, May 27, 2023, and after the 2025 flyby, it'll be about another two years until we see 2002 JX8 again on April 15, 2027.

The Earth contains of order 10^ {50} atoms. Its size is 10^ {17} times larger than that of an atom and 10^ {13} times larger than a speck of dust.

The Hercules-Corona Borealis Great Wall is a so-called "supercluster" of galaxies; it's a filament of the cosmic web around which the first galaxies in the universe gathered and grew. Its name was ...

A Kansas native is back on U.S. soil as the first cosmic Space Force Guardian after an extended stay on the International Space Station alongside the other members of Crew 9.

Astronomers have detected an enormous cosmic filament stretching 850,000 light-years across the early universe, offering a rare look into the large-scale structures that shaped galaxies billions of ...

Building such facilities off Earth could have a lot of benefits. Early projects are underway. Last week, the Florida-based company Lonestar Data Holdings launched a shoebox-size device carrying ...

Observations taken using the Keck Cosmic Web Imager (KCWI), which is optimized for visible blue wavelengths, revealed that this smaller galaxy is not only close to Bullseye, at a distance of just ...