There are many types of spacetime within physics, the same way there are infinite dimensions in math. Some spacetimes are ...

We have known for several decades that the universe is expanding. Scientists use multiple techniques to measure the present-day expansion rate of the universe, known as the Hubble constant. These ...

DEAR ANNIE: I don’t understand why people see me as a threat. I have no devious plans or intentions. I’ve never been in a fight. Throughout my life, I’ve been bullied -- from elementary school all the ...

On November 18, Kim Dong-hyun, the captain of Team Korea in Physical: Asia, addressed the current status of his direct messages from fans during a YouTube episode “Fight and Sifeng? Bleeding and ...

The article by Jacklin Kwan on the number of fundamental constants there are (or should be) raises an important issue that cuts to the heart of physical theory: are constants genuine features of ...

A team of researchers in Austria has recently demonstrated that the world’s first nuclear clock could help answer whether the fine-structure constant changes over time. The scientists from the Vienna ...

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 ...

Change is moving faster than ever — but I’ve learned there’s one thing that keeps my business grounded, no matter what comes next. So how do we keep up? How do we lead teams, build products and stay ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

If someone is experiencing physical abuse, you may be able to identify signs such as bruises or injuries. A person may also display behaviors such as expressing fear or unease when speaking about ...