Our coverage sheds light on the boundless darkness, the physical violence and the mysterious, awesome reaches of our universe. We ponder how it all began and about our place in the cosmos: Are we alone? Is there life on other planets? Will interplanetary travel save the human race? We also explore space through images, videos and illustration.
The implications for human reproduction beyond Earth are unclear.
New simulations suggests life could exist in universes very different from our own.
Detecting signs of life on planets beyond the solar system turns out to be more complicated than previously thought.