The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

It’s “common knowledge”—and the scare quotes should be a warning—that the sun is an average star.

Observations show the universe appears flat, yet its true size and global shape beyond the observable horizon may remain ...

The observatory aims to answer a number of questions about the universe by studying different phenomena in the sky, including ...

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol' Earth helps us understand what the universe might be doing beyond ...

A novel theory suggests that the current expansion rate of the universe is not fixed, but was in fact quite different in the ...

It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's happening. Two of our best ways of measuring the cosmic expansion rate, the ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new research showing how two powerful symmetries could have created stable ...