Hold a dumbbell or medicine ball at chest height. Step back into a reverse lunge while rotating your torso over the front leg ...

The protocol used to find these young supernova explosions could be used on data from the upcoming Vera C. Rubin Observatory.

"When we saw the results, it actually fitted this long-standing question of how these hypervelocity white dwarfs formed. It was super cool." ...

But the newly discovered supernova, dubbed SN 2021yfj, displayed a startling different chemical signature containing silicon, ...