The discovery comes as a surprise to scientists, as they believed the formation of such well-organized spiral galaxies took ...

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

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

NASA's James Webb Space Telescope may have detected the universe's oldest Population III stars in galaxy LAP1-B, 13 billion ...

Scientists may have "heard" the first tantalizing evidence of primordial black holes formed directly from overly dense pockets of matter just after the Big Bang.

A spiral galaxy, shaped much like our Milky Way, has been found in an era when astronomers believed such well-formed 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 ...

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Cosmic inflation tries to describe one brief but crucial phase in the Big Bang that launched the universe onto its expansion course. Credit: Christine Daniloff / MIT / ESA / Hubble / NASA Many ...

Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...

How did the universe begin? A compact NASA space telescope that uses less power than a refrigerator is poised to chip away at that very large question. Called SPHEREx, and set for launch on a SpaceX ...

Astronomers have pushed NASA’s Hubble Space Telescope to its limits by finding what is likely to be the most distant object ever seen in the universe. The object’s light traveled 13.2 billion years to ...