If the Universe is full of stars, why doesn't it appear white? And if it did, what would that look like?

The current accepted theory on the creation of our Universe is, of course, "The Big Bang Theory". But cutting edge new work is threatening to replace it with something else, "The Big Bounce Theory." ...

New data from major dark-energy observatories suggest the universe may not expand forever after all. A Cornell physicist calculates that the cosmos is heading toward a dramatic reversal: after ...

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

“For the last 20 years, people believed that the cosmological constant is positive, and the universe will expand forever,” says Tye, a professor emeritus at Cornell. A positive constant acts like a ...

They show up as a mathematical solution in general relativity, basically as a time-reversed version of a black hole. Some ...

A physicist proposes that the universe might not be empty but act like a viscous fluid, resisting expansion. This bold idea ...

Physicist Sean Carroll explains how physics, astronomy, philosophy, and classics all help us understand the expanding ...

The shape of the cosmos depends on a balance of two competing forces: the pull of gravity and the expansion driven by dark ...

This enormous chain of hundreds of galaxies—a cosmic filament—is twisting through space 400 million light-years away ...

The science communicator, a disciple of Stephen Hawking, believes it will be decades before we colonize Mars. But he says we ...

The 15th edition of The Best Australian Science Writing, edited by Zoe Kean and Tegan Taylor, contains 39 essays and stories that “tell tales of the universe that scientists have worked hard to reveal ...