How exactly did the universe start and how did these processes determine its formation and evolution? This is what a study ...

How can a Big Bang have been the start of the universe, since intense explosions destroy everything? – Tristan S., age 8, Newark, Delaware ...

What was the universe like in the first few hundreds of millions of years after it came into existence? How did the first ...

The Universe's Oldest Visible Light According to the Harvard & Smithsonian Center for Astrophysics, for the first 380,000 years after the Big Bang, the Universe was a "hot soup of particles and ...

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s not how it works. Hint: space-time is involved.

Watch Pop Mech ’s Jackie Appel reveal the story of how two men from New Jersey named Arno Penzias and Robert Wilson made one ...

For decades, scientists suspected this ion played a critical role in cooling the early cosmos, helping the first gas clouds ...

The universe may not have begun with the Big Bang as is generally thought but from the collapse of a massive black hole, a new theory suggests. That is to say this model of cosmology explains the ...

Although our universe is mostly normal matter, antimatter isn’t so hard to create — supernovae, black holes, and even bananas can make it.

Matter-antimatter asymmetry puzzles physicists. Learn how the Deep Underground Neutrino Experiment (DUNE) may find answers.

No one knows what kicked off the Big Bang that eventually allowed the stars to begin forming. Adolf Schaller for STScI, CC BY How can a Big Bang have been the start of the universe, since intense ...