A student in my freshman seminar class at Harvard University innocently asked me this week whether gravitational time dilation, as predicted by Einstein’s theory of general relativity, is relevant to ...

Recent research has unveiled a startling revelation: our solar system is moving at a velocity that is three times faster than ...

Clocking dark matter: optical clocks join the hunt for dark matter. (Courtesy: N Hanacek/NIST) An optical clock has been used to set new constraints on a proposed theory of dark matter. Researchers ...

Abbas Ali Saberi calls for an end to sanctions that are hurting physics and physicists in Iran Censored International constraints on trade and travel are making it harder to do physics in Iran.

A new report has shed some new light on the hypersonic missile launched by China in July—claiming that it demonstrated a previously unheard-of technological advance. But it’s also raised some ...

Our readers agree that animals like eagles can’t evolve to have even sharper eyes - and probably wouldn’t want to either ...

At a fundamental level, what is our Universe made of? This question has driven physics forward for centuries. Even with all the advances we've made, we still don't know it all. While the Large Hadron ...