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.
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 ...
The early universe experienced a phase of rapid expansion, known as inflation. For decades, cosmologists assumed that this ...
Found less than a billion years after the Big Bang, these massive objects are upending astronomers’ timeline for how early ...
"In this scenario the universe before the Big Bang and the universe after the Big Bang is reinterpreted as a universe/anti-universe pair that is created from nothing," the authors of the paper wrote.
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 ...
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 ...
Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.
Water’s hydrogen came from the Big Bang, while oxygen was forged in massive stars. Explosive Pop III stars enriched space, ...
From there, scientists can rewind cosmic time, running the clock backward to estimate the universe's maximum age. Time begins for us at the moment of the Big Bang, when in a tiny fraction of a ...
Observing the interactions between dark matter and so-called "dark photons" during a period after the Big Bang called the "cosmic dawn" could help shed light on the universe's most mysterious and ...