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

NASA’s Webb Telescope detects the earliest known supernova, GRB 250314A, 730 million years after the Big Bang, capturing its ...

Researchers have been able to make some key determinations about the first galaxies to exist, in one of the first astrophysical studies of the period in the early universe when the first stars and ...

"If this turns out to be real, then it’s enormous." ...

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

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 ...

Lead Astronomer at the James Webb Australian Data Centre, Swinburne University of Technology Deep observations from the James Webb Space Telescope (JWST) have revealed an exceptionally large galaxy in ...

"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 ...

The James Webb Space Telescope found a surprisingly large galaxy, nicknamed "The Big Wheel," in the early universe. This galaxy formed much faster than current theories predict, challenging our ...

You’ve heard of how mighty supernovas are, or of the ungodly amounts of energy released by gamma ray bursts. But astronomers have just discovered a type of cosmic blast that puts all those to shame.

Emma Chapman reviews Battle of the Big Bang: The New Tales of Our Cosmic Origins by Niayesh Afshordi and Phil Halper Before the bang That the universe evolved from a "hot Big Bang" is not in question, ...

Astronomers are currently pushing the frontiers of astronomy. At this very moment, observatories like the James Webb Space Telescope (JWST) are visualizing the earliest stars and galaxies in the ...