impact risk articles

Why don't meteors hit satellites?

It is easy to imagine a satellite, hanging silently in the black vacuum above, suddenly being vaporized by a stray rock ...

How did Galileo's discovery of the Galilean moons of Jupiter impact our understanding of the universe?

The initial flicker of light Galileo Galilei noticed in January of 1610, when pointing his newly improved telescope towa...

What is the deepest impact crater on the Moon?

The most colossal scar on the surface of our nearest celestial neighbor is the **South Pole-Aitken (SPA) basin**. This i...