Physics can feel inscrutable to students; this lesson helps them understand a graphing problem by analyzing their own ...

It's that time of year! The Root 100 is coming back, and we're looking back on some of the past highlights of our time at the ...

We measure the “warmness” of the dark matter, i.e. the comoving root-mean-square thermal velocity v hrms (1) , with nearly 3000 spiral galaxy rotation curves in the ...