The most distant known star in the universe is no longer a faint, anonymous point of light. With the James Webb Space ...

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

Hints of a mirror cosmos have a way of gripping the imagination, and recent chatter about “first proof” of a parallel ...

In the early universe, moments after the Big Bang and cosmic inflation, clusters of exotic, massive particles could have ...

A blazar is an extraordinarily bright object with a supermassive black hole at its core. Some of the matter falling into the ...

There's always a touch of melancholy when a chapter that has absorbed years of work comes to an end. In the case of the Atacama Cosmology Telescope ...

There's always a touch of melancholy when a chapter that has absorbed years of work comes to an end. In the case of the ...

Hubble’s Law leads to a cosmological second law of thermodynamics. A global entropy increase accompanies expansion. Topics explored are the second law’s relationship to the cosmic microwave radiation, ...

Listen to more stories on the Noa app. To study the origins of our universe is to struggle with profound chicken-or-egg questions. We know the Big Bang happened. Cosmologists can see its afterglow in ...