We may receive a commission on purchases made from links. Are we alone in the universe? It's a huge question with no easy answer. And, following on from that, if we aren't alone, what would beings ...

This story first appeared in Trying!, a thoughtful, funny, wide-ranging daily newsletter featuring essays from the mind of Matt Gross. You can sign up for them here. Those were simple aliens for ...

For centuries, humans have looked up at the stars wondering if there are creatures “like us” out there. Science fiction authors have offered cautionary advice: “careful what you wish for.” What if ...