Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

Time travel has long lived in the realm of science fiction, but a prominent futurist now argues that humans could effectively ...

Add Yahoo as a preferred source to see more of our stories on Google. If traveling into the past is possible, one way to do it might be sending people through tunnels in space. by raggio5 via Pixabay ...

Time travel is still very much science fiction, at least to us laymens.. But in the world of physics that’s not the case. However, now a new theory could change the way experts think about time ...

Imagine a thread so thin it's invisible to the naked eye but packed with the mass of thousands of stars. This isn't science fiction—it's the theoretical description of cosmic strings, structures that ...

Can we journey through time? Sci-fi author Dete Meserve presents a compelling case for our future in the past. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

In the moments before the Big Bang, our universe was a hot, dense, and extremely high-energy place. That all changed when the universe exploded 13.8 billion years ago. Rapid inflation divided a single ...