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Recent findings suggest a potential shift in our understanding of the universe’s expansion. After decades of acceleration, ...

String theory unifies all the forces of nature. Forces that seem very different, such as gravity and electricity, are deeply ...

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called ...

“If confirmed, this would have profound implications for the fate of the universe,” said The Guardian. The study raises the ...

The Universe may not have begun with a Big Bang, but instead with a Big Bounce, according to a new theory about how the ...

The Big Bang theory has dominated our understanding of the universe’s origin for almost 100 years. It describes a moment when ...

For a fraction of a second after the big bang occurred 13.8 billion years ago, most physicists believe, the newborn universe dramatically ballooned in size, jumping from being smaller than a proton to ...

What if everything we knew about the universe was wrong? New findings suggest its expansion could be slowing, raising the ...

For decades, it was assumed that the expansion of the universe was accelerating—a theory that won the Nobel Prize. Now, ...

Astronomers may have misread cosmic acceleration for 27 years. The universe may be slowing down, not speeding up.

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called "Is the end in sight for ...