The concept of the Big Bang marks the beginning of our observable universe, which began expanding approximately 13.8 billion ...

How old is the universe? Learn more about the age of the Universe, from it's explosive beginnings to how we on Earth can ...

Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the ...

The JWST discovers the Zhúlóng spiral galaxy, as massive as the Milky Way, formed only a billion years after the Big Bang.

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...

So here is where we are: a flat, critical-density universe comprising ordinary matter at about 5 percent, particle dark matter at about 25 percent and dark energy at about 70 percent.

Fresh evidence claims that the Earth and the surrounding galaxy are suspended inside a cosmic void based on echoes from the ...

We found that 99.5% of them would experience a larger dark energy density than observed in our universe. In other words, it looks like we inhabit a rare and unusual universe within the multiverse.

Parallel universes with additional dark energy could have more stars than our universe, which increases the chance of alien life developing. (This image shows a stellar nursery in the Large ...

"Ice in the rest of the universe has long been considered a snapshot of liquid water – that is, a disordered arrangement ...