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 ...

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

“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 ...

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

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

Every now and then, I fall down a late-night rabbit hole reading space facts, and the 30 on this list are the ones that truly messed with my brain. Fair warning: you might need a minute to recover ...

Although Pythagoras is best known for developing the theorem that bears his name, his influence and significance go far beyond his contributions in mathematics. He was not only a mathematician but ...