A ridiculous but instructive thought experiment involving deep time, plate tectonics, erosion and the slow death of the sun ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific ...

Here a group known as the Nuclear Waste Management Organization (NWMO) built a deep geological repository to contain spent ...

Yet according to physics, information is never destroyed. In principle, a burned book is just as readable as the original—if ...

So we decided to bring the concept into the 21st century: an e-mail time capsule. We built a tool for our website that allowed users to write themselves a message and choose whether they wanted to ...

Nobody really knows how to speak to the future in a way that it will hear.