Astronomers have discovered a system of five merging galaxies just 800 million years after the Big Bang, in a find that is ...

A new space telescope will help scientists look back in time at the origin of our universe and the galaxies and planetary systems that have populated it ever since. The mission will further our ...

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 ...

A tiny blob of red light spotted at the beginning of the Universe could represent the first direct evidence for a ...

This merger event occurred during a time when the universe was just beginning to form structures—a period when stars, galaxies, and black holes were still in formation. The close proximity of the ...

Until now, scientists thought stars and galaxies formed first, and black holes appeared later after the earliest stars ran ...

A new Big Bang model does away with speculative elements, putting gravitational waves at the forefront of the creation of ...

A "naked" black hole created moments after the Big Bang could rewrite our understanding of cosmic history. New images from ...

The oldest and most distant black hole known to scientists dates back 13.3 billion years ago, when our universe was still in ...

Using the James Webb Space Telescope, scientists took an infrared image of a young star cluster called Pismis 24, a spot ...

Scientists have identified a new class of cosmic explosions, dubbed "extreme nuclear transients" (ENTs), that represent the most energetic events observed in the universe, perhaps since the Big Bang ...