The far future of the cosmos may be less endless than it once appeared. New calculations place the decay of the universe’s ...

The collective gravity of countless neutrinos gently irons out the wrinkles in the cosmic web, preventing matter from ...

Here’s what you’ll learn when you read this story… A mind-bending theory called quantum immortality suggests that your ...

In 1916, only a year after Albert Einstein had published his general theory of relativity, Karl Schwarzschild used mathematical calculations to show this: If sufficient mass could be placed into an ...

How can a universe built from stars, black holes, and dead stellar cores turn out to be less durable than physicists once ...

Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s ...

In the air people breathe, the water on Earth, the stars in the sky and more, atoms are the building blocks that make up the ...

Scientists worldwide respond to the publication of the three-volume monograph “Quantum Model of the Universe” #Physics ...

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an invisible force called dark energy. But new data suggest that this is ...

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

We have long taken it for granted that gravity is one of the basic forces of nature—one of the invisible threads that keeps the universe stitched together. But suppose that this is not true. Suppose ...

Theoretical physicist Sabrina Gonzalez Pasterski, who built and flew her own airplane before she had a driver's license, is ...