It’s a question parents might dread more than “Why is the sky blue?” But the answer will not only make you look like a genius, it’ll inspire curiosity, outdoor exploration, and scientific discovery in ...

Gravity doesn’t discriminate. An experiment in orbit has confirmed, with precision a hundred times greater than previous efforts, that everything falls the same way under the influence of gravity. The ...

Support for this research was provided by the Office of the Vice Chancellor for Research and Graduate Education with funding from the Wisconsin Alumni Research Foundation, and by donations to the AMEP ...