E = mc2, the equation in German-born physicist Albert Einstein’s theory of special relativity that showed that the increased relativistic mass (m) of a body comes from the energy of ...

Physicists artificially slowed down time to reveal the bizarre Terrell-Penrose effect, a consequence of special relativity. This image from the experiment shows a sphere seemingly moving at 99.9 ...

It feels so obvious that time moves forward that questioning it can seem almost pointless.

IQ tests are gaining popularity online as more people seek measurable insight into intelligence, self-optimization and ...

New data from major dark-energy observatories suggest the universe may not expand forever after all. A Cornell physicist calculates that the cosmos is heading toward a dramatic reversal: after ...

The universe has delivered the loudest gravitational wave ever recorded, and it appears to have given Einstein’s theory of ...

“For the last 20 years, people believed that the cosmological constant is positive, and the universe will expand forever,” says Tye, a professor emeritus at Cornell. A positive constant acts like a ...

In this liberating new book, award-winning writer and presenter of BBC Radio 4’s All in the Mind, Claudia Hammond, helps us to take the pressure off with a psychological toolkit that is both practical ...

They thought it couldn’t be done. They said it was crazy to keep producing a comprehensive guide to San Diego County schools every single year. They doubted our ability to […] ...

Background Anticoagulation non-adherence is attributed to myriad factors in patient populations across the world. While direct oral anticoagulants (DOACs) have demonstrated several clinical advantages ...

The 2026 Forbes Healthcare Summit will convene the world's most influential leaders in healthcare, medicine and science.