Understand Einstein’s General Relativity with a clear and easy-to-follow explanation that breaks down complex ideas like ...

Einstein’s equations were written for chalkboards and paper, yet they now sit at the heart of some of the most visually ...

Learn how Albert Einstein’s theory reveals that time on Mars runs faster than on Earth — and why that tiny shift matters for future space missions. Einstein showed that gravity and motion warp time.

A supermassive black hole was caught twisting spacetime, offering the clearest real-world evidence yet for Einstein’s ...

Astronomers have observed a star wobbling in its orbit around a ravenous supermassive black hole that is ripping it apart and feasting on its stellar material. The observation is ...

Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly more than that for our moon, posing potential challenges for future crewed ...

A new theoretical study suggests fusion reactors could do more than generate energy, they might also produce particles linked to dark matter. Researchers at the University of Cincinnati say they have ...

The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

An interest rate can be thought of as the cost of borrowing money, or the income you earn on saved money. Many or all of the products on this page are from partners who compensate us when you click to ...