Europa's ice is likely mixed with salts (which we know as Epsom salt and table salt). Mix in some high-energy radiation blasted out by Jupiter and you would get a lovely glow-in-the-dark effect.

That's right: glow-in-the-dark aliens. On Earth, numerous plants, animals, and even minerals light up their surroundings.

Giving a new meaning to the word "moonshine," NASA scientists at the Jet Propulsion Laboratory (JPL) in Pasadena, California, have concluded that Jupiter's moon Europa glows in the dark due to ...

Making a glow-in-the-dark plant is probably beyond the capability of most scientists at home. But if you are really keen to try, Karen Sarkisyan, Ilia Yampolsky and an international team have used DNA ...