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 ...

Here’s How Big Our Cities Really Are. Los Angeles seems like a relatively big town. In fact, it is the second largest city in the United States. The area spans 502 square miles (1,300 sq km), and some ...

There’s something about comparing the size of objects—say, moons or sci-fi starships—that is endlessly appealing. But while comparisons we’ve seen cover subsets of stuffs, none have looked at the big ...

The vast realm probed by radio astronomers is one invisible to the naked eye, and even most kinds of telescopes. Now, thanks to the latest advances in radio observatories, scientists are uncovering an ...

Radio astronomers see what the naked eye can't. As we study the sky with telescopes that record radio signals rather than light, we end up seeing a lot of circles. The newest generation of radio ...

There's something unusual lurking out in the depths of space: Astronomers have discovered four faint objects that at radio wavelengths are highly circular and brighter along their edges. And they're ...

The James Webb Space Telescope (JWST) has identified GLASS-z13, a galaxy potentially dating back 13.5 billion years, making it a candidate for the oldest and most distant galaxy observed, surpassing ...

Nicholas Tothill receives funding from the Australian Research Council. Andrew Hopkins, Luke Barnes, and Miroslav Filipovic do not work for, consult, own shares in or receive funding from any company ...