Cold gas does not look dramatic at first glance. Neither does dust. Yet those two quiet ingredients sit at the center of a new effort to build a far more realistic picture of how galaxies formed. They ...

There are hundreds of billions of galaxies in the known universe, but scientists still have a lot of questions about how galaxies form, grow and even die. Science Trek is available to stream on ...

Magnetic fields that stretch across thousands of light-years should take a very long time to organize. Standard dynamo theory puts that timeline at roughly 5 to 10 billion years in galaxies. Yet ...

A spiral galaxy, shaped much like our Milky Way, has been found in an era when astronomers believed such well-formed galaxies could not yet exist. Two astronomers from India have identified a ...

Scientists have discovered Alaknanda, a so-called "grand design" spiral galaxy, just 1.5 billion years after the Big Bang. Credit: NASA / CSA / ESA / Rashi Jain For decades, astronomers believed ...