This is called the “heat death” of the Universe, but you can think of it instead as the death of heat. There will be no more ...

Found less than a billion years after the Big Bang, these massive objects are upending astronomers’ timeline for how early ...

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

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) ...

Water’s hydrogen came from the Big Bang, while oxygen was forged in massive stars. Explosive Pop III stars enriched space, ...

From the first stars to the present day, each generation cast oxygen into space in its dying moments. So, while water was rare in the early universe, it is relatively common now. But a new study ...