We’ve been told by science that the universe is expanding relentlessly, driven by a mysterious force called dark energy.

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 ...

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

Earlier this week, science writer Paul Sutter covered a bold new study that leans toward so‑called “fuzzy” dark matter as the ...

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

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 ...

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

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

Consensus on the universe’s expansion rate might be near, thanks to the James Webb telescope The biggest clash in cosmology might be inching closer to resolution, thanks to the James Webb Space ...