Like Max Planck, Albert Einstein first studied mathematics because he was told that everything interesting in physics had already been discovered. But in 1905, Einstein, a young cleark at the Swiss ...

Einstein’s theory of special relativity tells us that for a moving object, time passes more slowly than for a stationary ...

Solar eclipses occasion lots of excitement and pique the public's interest in astronomical phenomena. Eclipses can also expand our understanding of the universe in profound ways. In fact, astronomical ...

The concept of time travel, filled with magic, has long danced on the boundary between science and science fiction. From ...

Time travel has captivated our imagination for decades, but what does physics say about its possibility? Groundbreaking ...

Albert Einstein was a German-born theoretical physicist who revolutionized physics, changing our understanding of the ...

In the 1900s, Albert Einstein unified the concepts of space and time, giving us a useful new way to picture the universe. At the start of the 20th century, physicists had a problem: The speed of light ...

Fast-moving objects don’t always look the way you’d expect. When something travels near the speed of light, strange things happen—not just to time and space, but also to how the object appears. For ...

Time dilation: It’s a staple of science fiction, and whether you’re familiar with the term or not, you’ve probably encountered it in print or film. Fly fast enough to the speed of light, and your ...

According to Newtonian physics, the gravitational attraction between two masses is proportional to the inverse of the square ...