The cosmological constant has been a problem in physics since Einstein, but new research may show why it takes the value that ...

We know that the universe is getting bigger. And we know that the speed that the universe is getting bigger is also getting bigger. The standard assumption is that the acceleration rate is itself ...

Gravity, one of the four fundamental forces of nature, appears reassuringly constant across the universe, according to a decades-long study of a distant pulsar. This research helps to answer a ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American When Max Born addressed the South Indian ...

YET another fundamental constant of nature may have changed over the last 12 billion years. If confirmed, the result could force physicists to radically rethink their theories and provide support for ...