Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

"I think that the simplest explanation of the rotating universe is the universe was born in a rotating black hole." ...

NASA's newly-launched SPHEREx space telescope will offer a complementary 'panoramic' view to the JWST's high resolution ...

Blazars are active galaxies that emit narrow jets of ionized matter from their centers, aimed towards Earth. Depending on ...

The observable universe is a ball-shaped region of the universe comprising all matter that can be observed from Earth or its space-based telescopes and exploratory probes at the present time, because ...

The probability of humanity being the sole technological civilization in the observable universe is considered to be less than one in 10 billion trillion. Additionally, the chance of a ...

Observations about the directions in which galaxies turn have a head-spinning implication: our entire Universe might exist ...

Frontier, the second fastest supercomputer in the world, used dark matter and the movement of gas and plasma rather than just gravity to model the observable universe.

This is just a small part of the universe—less than 1% of the entire observable universe—but it is our galactic neighborhood. And it is good to know the geography of your neighborhood.

Since its launch a little over three years ago, NASA’s James Webb Space Telescope has revolutionized our understanding of the ...

In Big Bang cosmology, the observable universe consists of the galaxies and other matter that can, in principle, be observed from Earth in the present day—because light (or other signals ...