Two astronomy facts about July may go against your impressions. First, the days are getting shorter, albeit slowly for now. As July begins, we have lost four minutes from the ...

Voids are not exactly empty (actually, the missing matter of the universe is spread there), and lonely galaxies and small ...

Now the diameter of the known universe can be described as 558 billion trillion miles (that’s 558 followed by 21 zeros) or 28 gigaparsecs. If you’re like most astronomers, I’m pretty sure which size ...

July’s rare meteor shower combo of Southern Delta Aquariids and Alpha Capricornids lights the sky with Milky Way ...

Researchers have found clouds of cold gas embedded deep within larger, superheated gas clouds—or Fermi bubbles—at the Milky ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic ...

Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

It's the so-called "Milky Way season" in the Northern Hemisphere. Here's everything you need to know about viewing the galaxy ...

CAPE CANAVERAL, Fla. (AP) — Astronomers say they've spotted an object in our solar system that's believed to be from another ...

We live in a world defined by inches, feet and miles (or centimeters, meters and kilometers, if you prefer), and it’s not difficult for most of us to ...

Galaxies, including the Milky Way, grow from thick, turbulent disks into layered structures. JWST’s images show this process ...