Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...

This controversial theory says the universe is subject to an ultimate, higher-order law that we can’t comprehend.

Fusion is the next big energy frontier. Companies and nations alike are pouring money into researching it to find a way to ...

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

Astronomy is, in essence, an exercise in inference. We cannot touch the stars, nor scoop up galaxies in a lab. Instead, we ...

The story begins with the black hole information paradox. According to relativity, anything that falls into a black hole is ...

In many ways, Lina and Neriman's refugee journey from Iraq to Utah parallels that of a cosmic ray: covering great distances, ...

We have long taken it for granted that gravity is one of the basic forces of nature—one of the invisible threads that keeps the universe stitched together. But suppose that this is not true. Suppose ...

A research team led by Rice University physicist Frank Geurts has successfully measured the temperature of quark-gluon plasma ...

The night sky of Aspen is a wonderland for stargazers, dark and transparent enough for the naked eye to discern constellations and even nearby galaxies. With the help of telescopes and large cameras, ...

HD 140283, better known as the Methuselah star, is around 200 light-years from Earth, in the constellation of Libra. It is ...