cosmic microwave background

We’re closing in on one of the most important numbers in the universe.

These are the magnetic fields of the Magellanic Clouds

Support for cosmic inflation just deflated a bit

After running out of coolant, the telescope ends its mission to map light from the Big Bang.

Also, the universe's age has now been measured at 13.8 billion years old.

The current widely-held theory of life, the universe, and everything holds that at some point roughly 13.7 billion years ago...

The Big Question: Why are galaxies moving toward the same point, as if pulled by an unknown force?

Ninety years ago, in a bid to have his equations describe an unchanging universe, Einstein introduced the concept of dark...