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

If traveling into the past is possible, one way to do it might be sending people through tunnels in space. by raggio5 via Pixabay Have you ever dreamed of traveling through time, like characters do in ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study suggests that time travel would erase your memories, reset clocks, and force strict consistency, leaving no trace of ...

If “Katabasis” author R.F. Kuang could time travel, she’d want to be 18 years old at a Beatles concert. Living in the '60s is an enticing idea for Kuang, who's known for fantasy books “Babel” and “The ...