The universe has no shortage of mysteries, many of which have puzzled us for ages. One of the biggest is the existence of something called dark matter. First theorized in 1933 by Fritz Zwicky, dark ...

When you think of galaxies, you probably imagine bright and flowing images similar to the colorful ones we've seen in recent months from NASA and the ESA's James Webb space telescope. But, not all ...

Galaxies are not always teeming with vibrant, hot young stars. Sometimes, they are rich in gas and dark matter but have very few or no stars, making them extremely difficult to detect. They are called ...

Northeastern University researchers have shown that our visible universe and invisible dark matter likely co-evolved from the time of the Big Bang. Credit: Pixabay/CC0 Public Domain Physicists have ...