Earth passes through several meteor showers per year, so what can we see when this happens, and why? ESA spaceraft operations engineer Armelle Hubault explains all.
Asteroids can tell us about the origins of the Solar System and maybe even life itself, but they also pose a risk to Earth as many graze past our planet on a regular basis. Find out more about what ESA is doing to protect us through its Planetary Defence Office, part of the Space Safety programme.