The spiral galaxy known as NGC 3521 lies in the constellation of Leo, a mere 35 million light-years away. Now go flush and see if you understand the connection between the two.
Swarms of locusts in Madagascar, or clouds of elementary particles, without sound, odor, flavor or color? Reality is harder to pin down than you first might think.
Bilal Tarabey/AFP/Getty Images
Girls are more likely to take high school physics if they see women in their communities working in science, technology, engineering and math, a new study finds.