The answer comes from a counterintuitive result of special relativity, a field of physics which is notoriously difficult to ...

Einstein’s Theory of General Relativity is currently our best approximation of how the universe ticks. But there are holes.

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

In this last part of our series on recently digitized books from the Wenner Collection, we are focusing on works that ...

Since Einstein, physicists have found that certain entities can reach superluminal (that means "faster-than-light") speeds and still follow the cosmic rules laid down by special relativity.

Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...

A new study enhances hydrogen molecule predictions, achieving unprecedented precision in testing fundamental physics and ...

The rapid acceleration of the universe’s expansion continues to challenge our understanding of fundamental physics. Why the ...

Black holes are the most massive objects in the universe, and you definitely don't want to run into one, but there's a chance ...

The final episode of fifth season of the Netflix series Stranger Things is out this week, and the concept of a wormhole ...

Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that describe gravity, quantum fields and the structure of spacetime now allow ...