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

Our universe does host life, but another one might be even better suited for life. Here’s what you’ll learn when you read ...

“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 ...

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

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

They shaped the Universe, yet the first stars ever born continue to evade the searches of astronomers like Dr Emma Chapman ...

You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...

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 ...

The Universe may not have started with the Big Bang, but instead “bounced” out of a massive black hole formed within a larger “parent” universe, according to a new scientific paper. Professor Enrique ...

The earliest black holes in the universe may not have disappeared from Hawking radiation after all, new research hints. Instead, they fed on the energy of the ancient cosmos to grow supermassive.

There is a new exhibit at the University of Arizona Flandrau Science Center and Planetarium: Universe of Science. It features a variety of interactive activities for people of all ages to learn about ...