Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s oldest light—have developed a new way to reduce uncertainty in how it’s ...

The ancient and rare star PicII-503 is helping astronomers understand how carbon became so abundant in the universe.

Six thousand eight hundred feet below the floor of an active nickel mine in northern Ontario, something has gone extremely ...

An international collaboration, including Northwestern University, has reached a critical milestone in the search for dark matter, the mysterious substance that makes up about 85% of all matter in the ...

The local universe may be expanding more slowly than previously thought, scientists have found. The discovery, made in two separate pieces of research, could relieve one of the most troubling ...

This also means that there could be hidden curvatures of space-time or gravitational fields, which could explain a fundamental issue in physics: the hierarchy problem. There are several ongoing ...

An international team involving Northwestern University​ announced Tuesday that it has reached a major milestone in its quest ...

Plastered across screens in offices, schools and homes globally, Bliss is one of the most well-known images in the world.

A new data release more than doubles the number of gravitational-wave candidate events—and reveals unexpected complexities of merging black holes ...

Humans are becoming less intelligent as a species due to their accumulation of knowledge and development of high technology, ...

Although dark matter makes up most of the mass in our universe, it has never been directly observed. To hunt for lighter dark matter and other rare ...

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