When training for a marathon, runners must gradually ramp up the distance of their runs. They know that their runs in the early days of training do not define what they will one day be capable of; ...

How the universe got its large magnetic fields has remained one of the stickiest outstanding problems in astrophysics. Now, researchers have proposed a novel solution: a giant "dust battery" operating ...

Magnets are found all over the place. They hold items on the refrigerator while also holding the door shut. Our banking cards have magnetic strips — as do speakers, motors, and automatic doors.