There are 79 known moons of Jupiter. What if we move Earth into its orbit too? How would Jupiter's super-strong gravity affect our lives? What would our skies look like? How long could you survive on ...

The curious minds at What If investigate what would happen if you spent an entire day on Jupiter, revealing gravity, atmospheric pressure, and survival limits.

Time moves differently in space. Near black holes, gravity slows clocks and stretches seconds. This explainer reveals how time bends and affects astronauts and Earth.

Black holes are powerful space objects that can pull in nearby stars. But how does this really happen? In this kid-friendly science explainer, learn how black holes stretch, heat and slowly “eat” ...