If you think a galaxy is big, compare it to the size of the universe: it's just a tiny dot which, together with a huge number ...

Mapping the Universe’s vast structure no longer requires endless supercomputer time. Effort.jl brings cosmic modeling to laptops without sacrificing accuracy.

Modern cosmology suggests that the universe has no single spatial centre or edge. The Big Bang did not occur at one ...

Astronomers using the Webb Telescope may have found a new type of object: cold, glowing black hole stars from the early ...

For scientists, that has long posed a problem: According to physicists’ best current theories, matter and its counterpart, ...

Deep in the first moments of the Big Bang, the entire cosmos shook and rumbled. Those quakes still reverberate to the present day. It will take the most sensitive instruments ever imagined to reveal ...

Is there a scientific reason why the universe exists? In other words, what is the science of why there is anything at all, ...

New computer simulations suggest the first magnetic fields that emerged after the Big Bang were much weaker than expected — ...

Knowable Magazine reports that neutrinos may help explain the universe's missing antimatter, shedding light on ...