Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

The paper argues that the universe will begin to contract after reaching a peak size, before collapsing back to a single ...

The aforementioned models of the cosmos, including the standard model of cosmology, have long posited the idea that the ...

The universe has two kinds of matter. There is invisible dark matter, known only because of its gravitational effects on a ...

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 ...

World's largest digital camera observes cosmos, capturing detailed images of galaxies, asteroids, and stars changing ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...

Bechtol and his fellow scientists hope they can learn more about the universe than all of scientific progress has allowed in ...

Astronomers have finally tracked down missing "ordinary" matter, which they discovered hiding as gas spread out in the vast expanses between galaxies.

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 ...

These telescopes represent the cutting edge of astronomical discovery, probing the universe across the electromagnetic ...

The new Star Wars galaxy map just proves that the franchise is expanding, just like our universe, with no signs of stopping anytime soon.