Our common understanding of the universe tells us that all matter and energy were created at the beginning of time during a period of rapid inflation called the Big Bang. However, in 2023, Katherine ...

The Big Bang created equal amounts of matter and antimatter. So, why is there so much more matter than antimatter in the Universe? Irfu is participating in the preparation of Hyper-Kamiokande, a ...

The universe, in all its vastness, is governed by physical laws that dictate the ebb and flow of matter and energy. A cornerstone among these laws is the second law of thermodynamics, which suggests a ...

Consider it good news, physicists say: “The opposite result would have had big implications.” By Dennis Overbye Antimatter just lost a little more pizazz. Physicists know that for every fundamental ...

In a new study, scientists began pondering a pretty wild question: What if black holes can convert dead star matter into dark energy, the mystery force driving the acceleration of the expansion of the ...

Time has an arrow: It only ever seems to move in one direction. The future is always unknown to us, while the past forever remains locked and inaccessible. And yet, the vast majority of the laws of ...