How is the total mass of the universe calculated? Bob GiddingsGreen Bay, Wisconsin Calculating the total mass of the universe is not simple, because most of the mass is invisible. In a pie chart of ...

If you think a galaxy is big, compare it to the size of the universe: it's just a tiny dot which, together with a huge number ...

You can journey to the ends of the earth in search of success,” 19th-century Baptist preacher Russell Conwell is said to have ...

Some astronomers think one set of measurements or the other will turn out to be wrong. Others believe that the tension is a hint of deeper problems with the scientific description of the universe, ...

John Lennon is celebrated and remembered for 'Imagine', but it was far from his magnum opus. Instead, 'Across the Universe' was definitively a better song.

Our understanding of cosmology hinges on how well we know our own local universe, which remains poorly mapped and poorly ...

There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the ...

The oldest and most distant black hole known to scientists dates back 13.3 billion years ago, when our universe was still in ...

Fast radio bursts (FRBs) last around a millisecond and in doing so encode otherwise unattainable information on the plasma which permeates our Universe, providing insights into magnetic fields and gas ...

Webb has been orbiting more than a million miles from Earth, capturing breathtaking images of deep space. But how does it actually work? This article was originally published at The Conversation. The ...

The small but ubiquitous proton serves as a foundation for the bulk of the visible matter in the universe. It abides at the ...

The question of whether the universe has an edge touches one of the deepest mysteries in cosmology. It’s the kind […] ...