Portside

All forms of energy affect the expanding Universe. But if matter and radiation slow the expansion down, how does dark energy speed it up?

There are a lot of unsolved mysteries in the Universe, but dark energy is the most confusing. Here’s why.

We cannot be certain, despite what many have contended, that the Universe began from a singularity. We can, however, break the illustration you see into the different eras based on properties the Universe had at those particular times.

Figuring out where we are in the universe makes "Where's Waldo" look like child's play. Wait, "Where's Waldo" is child's play, but locating our location in the universe is really cool science.