Crunch, rip, freeze or decay — how will the Universe end?

Crunch, rip, freeze or decay — how will the Universe end?

Crunch, rip, freeze or decay Astrophysicist Katie Mack’s book explores all the ways the universe will come to its final conclusion. But not to worry — the end probably won’t be nigh for at least 200 billion years. Nature | 5 min read