Columnist Natalie Wolchover examines the latest developments in the “forever war” over whether string theory can describe the ...

A series of viral social media posts drew attention to an old cosmological theory-that our universe began from a collision ...

Physicists have proposed a new model of space-time based on string theory to explain dark energy. Their hypothesis suggests that, at extremely small scales, space and time behave differently from how ...

Tue, April 8, 2025 at 6:00 PM UTC The centuries-long Copernican journey of slowly displacing humans from the center of everything has provided our species with an unprecedented understanding of our ...

String theory has long been touted as physicists' best candidate for describing the fundamental nature of the universe, with elementary particles and forces described as vibrations of tiny threads of ...

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 theoretical physics?” Hawking, who later became my ...

Some celestial bodies are so cold that methane freezes; others are so hot that nuclear reactions occur. And then there’s Earth, with a benign temperature hovering in the narrow range between freezing ...

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Dimensions beyond the four we’re familiar with could solve a host of problems in physics and cosmology. Columnist Leah Crane ...