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

In this video, we explore the vastness of the universe and attempt to quantify its size. We delve into the concepts of cosmic ...

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

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

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 ...

Andromeda and the Milky Way merge. NASA; ESA; Z. Levay and R. van der Marel, STScI; T. Hallas; and A. Mellinger Share Curious Kids is a series for children of all ages. If you have a question you’d ...

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

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an invisible force called dark energy. But new data suggest that this is ...

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 ...