BUFFALO, N.Y. — In the beginning, the world was empty and cold. Prior to the Big Bang — yes, before the Big Bang — the universe underwent a breathtaking cosmic expansion, doubling in size at least 80 ...

The infant universe was a busy place. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Believe it or not, physicists are attempting to understand ...

“The most incomprehensible thing about the universe is that it is comprehensible,” Albert Einstein once pondered. But even as cosmologists are hailing the successes of the Big Bang theory, ...

The Big Bang: The moment when the universe — everything in existence — began. ... Right? Turns out, it's not quite that simple. Today, when scientists talk about the Big Bang, they mean a period of ...

The Big Bang wasn’t always a sure bet. For several decades in the 20th century, researchers wrestled with interpreting cosmic origins, or if there even was a beginning at all. At the forefront of that ...

Within a month of the Big Bang, a second cosmic explosion may have given the universe its invisible dark matter, new research suggests. When you purchase through links on our site, we may earn an ...

Physicists working at the CERN particle physics lab said they detected a slight but significant difference in how particles of matter and antimatter decay. By Kenneth Chang Understanding why matter ...

Our humble blue planet came into being with the Big Bang — the sudden expansion of the universe outwards. Now, according to astrophysicists and cosmologists, Earth and all of its celestial siblings ...

In the beginning, the world was empty and cold. Prior to the Big Bang — yes, before the Big Bang — the universe underwent a breathtaking cosmic expansion, doubling in size at least 80 times in a ...