An impossibly bright galaxy is forcing scientists to rewrite the rules of the Big Bang’s aftermath. Here’s what you’ll learn ...

Images taken with the MIRI infrared camera on the James Webb Space Telescope (JWST) have made it possible to observe the ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its ...

While there's no shortage of mysteries surrounding the formation of the universe, scientists may have figured out the answer ...

Watch Pop Mech ’s Jackie Appel reveal the story of how two men from New Jersey named Arno Penzias and Robert Wilson made one ...

A theory holds that dark matter could be involved in a mirror universe and that runs backwards before the Big Bang.

Depicting a section of the universe known as the COSMOS-Web field, the new map is far more expansive than even the iconic Hubble Ultra Deep Field, a view of 10,000 galaxies NASA released in 2004.

The universe is vast, beyond what we can truly comprehend. But how big is it, really? In this video, we explore the incredible size of the universe, from its observable limits to the theories that ...

What if the universe existed before the Big Bang? In this fascinating discussion, legendary physicist Roger Penrose explores ...

How big is our universe? On today’s episode, we’re telling the story of how the work of many astronomers contributed to a complete redesign of how big we know our universe to be and what we think it ...