Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it ...

Previously, the most ancient supernova ever confirmed dated back to when the universe was 1.8 billion years old.

Just 570 million years after the Big Bang, a young, compact galaxy named CANUCS-LRD-z8.6 appears to host a supermassive black ...

Cosmic inflation tries to describe one brief but crucial phase in the Big Bang that launched the universe onto its expansion course. Many textbooks and science educators have attempted to describe the ...

If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

In the search to understand how the universe came to be, a new theory is rewriting the script. Instead of one massive, fiery birth like the Big Bang, this idea suggests the cosmos has been growing in ...

The galaxy's discovery challenges our understanding of how galaxies were formed in the early period after the Big Bang.

WASHINGTON (Reuters) - NASA is preparing to launch a megaphone-shaped observatory on a mission to better understand what happened immediately after the Big Bang that initiated the universe and to ...

New research suggests that primordial black holes created during the Big Bang could have played a major role in forming the universe's first stars. The findings could help to assess how suitable ...

Dark matter, the mysterious substance that makes up roughly 80 percent of all the matter in the universe, may have been forged before our cosmos was even born. Scientists have long theorized as to ...

"We were surprised that water could actually form so early on — even before the birth of the first galaxies." When did life as we know it first emerge in the universe? We don’t know for sure, but the ...

No one knows what kicked off the Big Bang that eventually allowed the stars to begin forming. Adolf Schaller for STScI, CC BY How can a Big Bang have been the start of the universe, since intense ...