President-elect Donald Trump was blocked by his wife's hat when he leaned in for a kiss before his swearing in on Jan. 20.

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

We like to believe we have a pretty good idea of how things work in our universe. However, the truth is that there is still ...

New evidence suggests the universe is expanding faster than predicted. Explore the Hubble constant and its implications for ...

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 ...

Ultra-faint dwarf galaxies, cosmic 'ghost towns,' offer new insights into the early universe and star formation.

"Finding more supermassive black holes that are potentially hosting jets raises the question as to how these black holes grew ...

Interactions between dark matter and dark photons during a "missing chapter" cosmic history could shed light on one of the ...

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...

New research confirms the Universe is expanding faster than theoretical models predict, intensifying the Hubble tension.