If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black hole.

If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a ...

Searching for clues in the Epoch of Reionization, scientists discovered that the universe was quite a bit warmer before the ...

Such an exponential expansion may seem minor, but it is equivalent to a grape in the palm of your hand swelling to become ...

Who Banged the Big Bang! reinterprets the Big Bang theory not only as the birth of the universe but as a profound metaphor ...

The Simons Observatory is one of the most ambitious cosmic observatories on Earth, dedicated to studying the cosmic microwave ...

So much happened in the earliest moments of the universe. Elementary particles appeared, the first nuclei of hydrogen and ...

A revolutionary new model, gaining traction among physicists, suggests our entire universe might be a vast, expanding black hole that emerged from the collapse of a larger, older "parent" universe.

The birth of the universe has been a question that has puzzled scientists for centuries. In a groundbreaking study published ...

NASA has used the James Webb Space Telescope to better understand the universe just after the Big Bang. The results have ...

In the search to understand how the universe came to be, a new theory is rewriting the script. Instead of one massive, fiery birth like the Big Bang, this idea suggests the cosmos has been growing in ...

"We were surprised that water could actually form so early on — even before the birth of the first galaxies." When did life as we know it first emerge in the universe? We don’t know for sure, but the ...