Related topics: galaxies · dark energy · big bang · dark matter · black holes

Could a multiverse be hospitable to life?

A Multiverse—where our Universe is only one of many—might not be as inhospitable to life as previously thought, according to new research.

After death, Hawking cuts 'multiverse' theory down to size

With a science paper published after his death, Stephen Hawking has revived debate on a deeply divisive question for cosmologists: Is our Universe just one of many in an infinite, ever-expanding "multiverse"?

Astronomers witness galaxy megamerger

Peering deep into space—an astounding 90 percent of the way across the observable universe—astronomers have witnessed the beginnings of a gargantuan cosmic pileup, the impending collision of 14 young, starbursting galaxies.

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