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

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 ...

“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 ...

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 ...

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

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 ...

Teela looks a little different from the cartoon in the Masters of the Universe live-action movie, but that wasn't the actress' call.

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

Alexandria’s crumbling share price has been inconsistent with long-term fair value as we calculate it, and today it ...