But new studies suggest that one of his most famous ideas, the cosmological constant, may not be fixed after all. If true, it could mean the universe is destined to collapse rather than expand forever ...

(Phys.org) —Cosmologist Christof Wetterich of the University of Heidelberg has uploaded a paper to the arXiv server in which he claims it's possible that the theory of expansion of the universe might ...

Here’s what you’ll learn when you read this story: A new paper adjusts an equation that defines our universe in response to recent new data. The cosmological constant, which describes how our universe ...