How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

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 ...

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 ...

Why Information, Not Matter, May Be the True Foundation of Reality - Rethinking Reality Through Physics, Information, ...

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

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

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

The standard cosmological model (present-day version of "Big Bang," called Lambda-CDM) gives an age of the universe close to 13.8 billion years and much younger when we explore the universe at ...

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." ...