Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

It’s no secret that the multiverse is having a major moment right now. What once existed on the fringes of scientific theory — and on the pages of comic books — is now a cultural staple. Marvel ...

The idea of a multiverse consisting of “parallel universes” is a popular science fiction trope, recently explored in the Oscar-winning movie Everything Everywhere All At Once. However, it is within ...

Can something that exists be bad science? The multiverse pops out of quite a few theories in physics, and has been proposed as a solution to certain vexing problems. But it’s also been argued that the ...

One of the most startling scientific discoveries of recent decades is that physics appears to be fine-tuned for life. This means that for life to be possible, certain numbers in physics had to fall ...

One of the most startling scientific discoveries of recent decades is that physics appears to be fine-tuned for life. This means that for life to be possible, certain numbers in physics had to fall ...

One of the most startling scientific discoveries of recent decades is that physics appears to be fine-tuned for life. This means that for life to be possible, certain numbers in physics had to fall ...

Scientists can only see so far before they run into the edge of the universe. Will we ever know if anything lies beyond? This image shows the cosmic microwave background—the oldest light in the ...