From roaring fighter jets to colossal transport aircraft, witness the unmatched power and precision of the U.S. Air Force. This planespotting highlight reel captures the best moments of America’s ...

Volodymyr Zelenskyy has met with Ukraine's key Western allies in Kyiv. Elsewhere, Russian troops have been engaged in "fierce battles" with Ukraine's special forces near a key frontline city. Follow ...

Speed is a measure of how fast an object is moving. Calculate speed using the speed equation - speed = distance divided by time. The speed equation can be rearranged to find distance travelled and ...

An amphiphilic light-driven rotary motor is shown to form Langmuir monolayers at the air–water interface. Upon ultraviolet irradiation, the continuous rotation of the motor triggers its supramolecular ...

As AI sweeps through higher education, a growing number of professors have been drawing a line in the sand—banning AI tools from the classroom and returning to classic “blue book” exams to ensure ...