What Is Spacetime?

Your daily selection of the latest science news! According to Scientific American Content: Global People have always taken space for granted. It is just emptiness, after all—a backdrop to everything … Continue reading What Is Spacetime?

If We Live in a Multiverse, Where Are These Worlds Hiding?

Stop the worlds, I want to get off. Credit: Victor Habbick/Shutterstock WASHINGTON — By some estimates, the known universe may contain as many as 2 trillion galaxies, with the average … Continue reading If We Live in a Multiverse, Where Are These Worlds Hiding?