COP30 is the 30th annual UN climate meeting, where governments discuss how to limit and prepare for further climate change.

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object ...

"I think it's natural to take a break and wonder whether we are fundamentally thinking about this in the wrong way." Dark matter could be made from tiny black holes formed when so-called "dark baryons ...

UC Santa Cruz physicist Stefano Profumo has put forward two imaginative but scientifically grounded theories that may help solve one of the biggest mysteries in physics: the origin of dark matter. In ...

In physics, we have a bunch of constants that are used in models to explain how the world works. These are fixed numbers that we plug into equations along with our variables. For example, the ...

Deep in the heart of our galaxy, there is a faint but powerful glow that has puzzled scientists for more than a decade.

It’s a simple question, right? The vast majority of us would describe a mushroom as a stem topped with an umbrella-like cap. But believe it or not, defining what actually constitutes a mushroom has ...