Biggest vs smallest - how do we measure up in the grand scheme of the universe? Explore the fascinating scales of existence, from quantum particles to the observable universe’s edge. A journey into ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

The study is published in the latest issue of The American Journal of Physics ("All objects and some questions"). Masses, sizes, and relative densities of objects in our Universe. (© The American ...

Astronomers have been mapping vast cosmic structures for decades, from galaxy clusters to immense superclusters. But now, researchers have identified what they say is officially the largest known ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

The universe's expansion means its size is bigger than its age suggests. The universe's expansion doesn't have a speed limit like objects within it. Distant galaxies move away from us as space itself ...

The article chronicles the evolution of astronomy from astrology and alchemy to modern astrophysics, highlighting significant advancements like the development of spectroscopy and Einstein's theory of ...

Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...

The vast majority of matter is dark – invisible until it is detected only through its gravitational effects. The newly discovered object could be a clump of dark matter, or it could also be a compact, ...

(CNN) — Astronomers have spied a monster radio jet in the distant universe that’s twice the width of the Milky Way galaxy. The ancient object formed when the universe was less than 10% of its current ...