Mysterious dark matter makes up 85 percent of matter in the universe, and of the remaining 15 percent, scientists couldn’t ...

A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding.

A tiny but radical twist in the fabric of the cosmos could offer a breakthrough in one of astronomy’s most persistent ...

This has given scientists their best look yet at the Cosmic Microwave Background (CMB) - the leftover radiation from the Big Bang which fills the entire observable universe. What looks like clouds ...

The structure and composition of the observable universe, within the framework of the theory, depend on how microcells proliferated, and how their energies evolved, during inflation. Each macrocell ...

After five years of staring unblinking at the sky, the Atacama Cosmology Telescope (ACT) has compiled the most detailed map we've ever seen of the cosmic microwave background – the faint light that ...

Experts have unveiled the most detailed images yet of the universe’s infancy, capturing light that traveled for more than 13 ...

Models of how the universe has evolved since the Big Bang allow us to predict how much normal matter (as opposed to dark matter) there should be in the observable universe. The problem ...

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.

Equivalent to almost two trillion trillion suns, that’s the amount of mass (or its counterpart as energy) that these images show to exist in the entire observable universe, which extends almost ...

The JWST's first deep-field image, depicting galaxy cluster SMACS 0723, is among the deepest and sharpest images of the night sky ever captured. Credit: NASA, ESA, CSA, STScI "Space is big.