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 ...

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.

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 ...

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 ...

What is the meaning of life? Even the best of us couldn't hope to answer that question in a Universe Today article. But there are those who would try to "constrain" it, at least in terms of physics. A ...

Recent research reveals that quantum mechanics can supersede the second law of thermodynamics at the atomic scale, ...