How Likely is an Asteroid Collision with Earth?
Every month, there seems to be a fresh news alert about an asteroid “hurtling toward Earth.” Well, “alert” is perhaps too strong a word; in most cases, it is simply […]
16 Psyche is the Most Expensive Thing in the Universe
An astroid named 16 Psyche was found to be made almost entirely of iron and nickel and is the most expensive thing in the universe.