Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

With measurement errors negated, what remains is the real and exciting possibility we have misunderstood the universe,” said Adam Riess, professor of physics and astronomy at Johns Hopkins University.

It seems that this mysterious force may be weakening over time. “If it holds up, this is a very big deal,” says Adam Riess at ...