The universe is big, as Douglas Adams would say. In other words, on a cosmic scale, the universe is quite small. There are several reasons why cosmologists think the universe is large. One is the ...

The biggest galaxies in the universe are elliptical galaxies. The largest of these hold over one trillion stars according to astronomical census takers, compared to 400 billion in our Milky Way.

Our universe could be just one small piece of a bubbling multiverse. Human history has been a journey toward insignificance. As we’ve gained more knowledge, we’ve had our planet downgraded from the ...

The properties of faint dwarf galaxies around the Milky Way can reveal a lot about the conditions of the early universe, the same way crop yields can tell a lot about spring weather.

A new study led by University of Minnesota astrophysicists shows that high-energy light from small galaxies may have played a key role in the early evolution of the Universe. The research gives ...

"The main surprise is that these small faint galaxies had so much power, their cumulative radiation could transform the entire universe." When you purchase through links on our site, we may earn an ...

The universe is expanding faster and faster, but not all scientists agree that dark energy is the cause. Perhaps, instead, our universe keeps colliding with and absorbing smaller 'baby universes,' a ...