The youngest and most metal-rich stars, such as the Sun, are called Population I. Older stars with fewer metals are Population II. The oldest stars, the very first stars to appear in the Universe, are ...

Everything we know about space might turn out to be false. Recent research indicates that the universe is expanding faster ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

Physicists have created a 3D shape called the cosmohedron, which can be used to reconstruct the quantum wavefunction of the ...

The early universe experienced a phase of rapid expansion, known as inflation. For decades, cosmologists assumed that this ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

Recent research has unveiled a troubling and persistent mystery at the heart of modern cosmology: the universe is expanding ...

A new computational method gleans more information than its predecessors from maps showing how galaxies are clustered and threaded throughout the universe.

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

This is called the “heat death” of the Universe, but you can think of it instead as the death of heat. There will be no more differences in temperature anywhere, which means thermodynamics shuts down, ...

Astronomers have released a set of more than a million simulated images showcasing the cosmos as NASA's upcoming Nancy Grace ...

The project, called OpenUniverse, relied on the now-retired Theta supercomputer at the DOE’s (Department of Energy’s) Argonne National Laboratory in Illinois. The supercomputer accomplished a process ...