That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...

It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's happening.

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

We've known that the universe is expanding since 1929, and that its expansion is accelerating since 1998. The culprit behind ...

For the last 25 years, most scientists have believed that about 70% of the universe is formed by something called ‘’dark ...

Take a deep breath: the universe is not just big it’s mind-bogglingly, practically scandalously huge. And it’s growing. A century ago, Edwin Hubble peered through his telescope and shattered human ...

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

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 ...

Scientists have known for decades that the universe is expanding, but research in the past few years has shaken up calculations on the speed of growth -- raising tricky questions about theories of the ...

Today we are going to talk about cosmology and the fact that black holes were considered as an almost unbelievable idea. In the 30s, British astronomer Arthur ...

For more than two decades, the standard model of cosmology has stood as a reliable guide to the universe. Known as Lambda Cold Dark Matter, or ΛCDM, it weaves together dark energy, dark matter, and ...

Most messages are press releases about astronomical discoveries—okay, scratch that; most of them are spam, but science announcements are an easy second place. But I also get questions from readers ...