We know how the universe began. An event we call the Big Bang started it all about 13.8 billion years ago. How the universe ends, though, is an open question. The path forward depends on the ...

A controversial new theory about how the universe began rejects the widely-held belief that it started with a giant cosmic eruption known as the Big Bang. One scientist suggests that the cosmos grew ...

If you’re having trouble sleeping at night, have you tried to induce total existential dread by contemplating the end of the entire Universe? If not, here’s a rundown of five ideas exploring how “all ...