expansion articles

Are all galaxies moving apart?

The simple answer to whether all galaxies are moving apart is a definitive no, although the vast majority are receding f...

What happens if the universe expands too fast?

The universe isn't just getting bigger; it’s stretching at an ever-increasing rate, a phenomenon that has left cosmologi...

Is the universe red-shifted?

The light reaching us from distant galaxies carries an unmistakable signature written into its very fabric, a clue that ...