What if your job were to protect life in the galaxy at all costs? That's exactly what the folks manning NASA's Planetary Protection office do, and bunny suits are just the beginning.
The occasional sunspot, like sunspot 1302 that's currently messing with the planet's magnetosphere, can interrupt communications here on Earth. Major solar flares have the potential to cause more havoc. Could a flare-up wipe out all our electronics? See more »
We can't defy the odds of an asteroid taking a turn for Earth forever, so the world's astronomers watch the sky. What happens once they spot something? See more »
Where I live it is pretty common to see "shooting stars" -- streaks of light in the sky at night. How big is a shooting star? Do they land on earth or do they burn up? Do they land on the ground as meteorites? See more »