The smaller a star, the more slowly it burns its fuel. The lightest red dwarfs could shine for trillions of years, hundreds of times the Universe's current age of 13.8 billion years. So not a single one has reached the end of its life yet. Every red dwarf ever born is still shining.
A large share of Earth's water molecules formed in the interstellar cloud that existed before the Sun was even born, more than 4.6 billion years ago. You are literally drinking a cosmic fossil.
By day, the Martian sky looks butterscotch because of fine dust hanging in the air. But at dusk, those same grains scatter blue light forward, creating a bluish glow around the Sun. Rovers have photographed these blue sunsets: the exact reverse of what we see on Earth.