This question of why some branches of the tree of life explode into thousands of species, while others remain small, has shaped evolutionary biology since Charles Darwin. My colleague and I have ...

President Donald Trump has spent a lifetime talking himself out of tough spots. But in the war with Iran, his trusty technique of sowing confusion to postpone reckonings is beginning to fail. Ten days ...

Global levels of physical activity have not improved over the past two decades, despite widespread policy development and adoption, and large disparities persist across gender and socioeconomic groups ...

Despite impurities and defects, lead-halide perovskites efficiently convert solar energy, rivaling silicon cells. Physicists now explain the mechanism behind this surprising efficiency. (Nanowerk News ...

If you are leasing a car, what’s the point of paying thousands of dollars due at lease signing? My contract says tax, title, fees and licensing — but then wouldn’t I have to pay that again at the end ...

The world is warming. This fact is most often discussed for the Earth’s surface, where we live. But the climate is also changing from the top of the atmosphere to the bottom of the ocean. And there is ...

Our world seems to be fundamentally fuzzy at the quantum level, yet we do not experience it that way. Researchers have now developed a recipe for measuring how quickly the objective reality that we do ...

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. A U.S. Capitol Police officer patrols on the East ...

Does string theory—the controversial “theory of everything” from physics—tell us anything about consciousness and the human brain? If you're enjoying this article, consider supporting our ...

A new theory proposes that the universe’s fundamental forces and particle properties may arise from the geometry of hidden extra dimensions. These dimensions could twist and evolve over time, forming ...

In many submerged regions, murky mud shelters strange life-forms that seem to be the key to one of the biggest mysteries of life on Earth. These creatures belong to a domain of life called the archaea ...