Add Yahoo as a preferred source to see more of our stories on Google. It's a question that has vexed scientists for ages: How old is our universe? The question is simple enough, but as the years go by ...

New observations from the James Webb Space Telescope suggest that a new feature in the universe—not a flaw in telescope measurements—may be behind the decade-long mystery of why the universe is ...

Dark matter may not have needed a calm, cold start to help build the universe. That is the challenge raised by new work from researchers at the University of Minnesota Twin Cities and Université ...

A new paper suggests that our universe may have begun with two big bangs. Scientists proposed the idea after struggling for decades to explain both the mysterious beginning of the universe as well as ...

A team of researchers has analyzed more than 1 million galaxies to explore the origin of the present-day cosmic structures, as reported in a recent study published in Physical Review D as an Editors' ...

The cosmos might be playing a different game than we thought. Scientists have spent decades believing our universe was speeding up like a runaway train, but new research suggests something far more ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The expansion rate of the universe may be slowing down, rather than ...

The universe might not be expanding as we thought, study says - Until now, we have believed that the universe’s expansion is speeding up ...

A European Space Agency telescope launched Saturday on top of a SpaceX Falcon 9 rocket from Florida to begin a $1.5 billion mission seeking to answer fundamental questions about the unseen forces ...

Pions are some of matter’s simplest particles. They’re built from the same building blocks as protons and neutrons, smaller particles known as quarks. While a proton is made from three quarks, only ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Earth and the surrounding Milky Way galaxy may be sitting inside a ...