Spend months in space, and you could develop cancer.
A round-trip to Mars delivers the equivalent of 600 chest x-rays.
There's still no proof cell phones are bad for your health.
They acknowledged "extremely high contamination" above the Ural Mountains.
The exponential increase of the destructive power of nuclear weapons is almost unimaginable.
This wouldn't bode well for any life on the surface.
The first Mars explorers may face more danger than we thought.
Until now, we didn’t think water could do this.
“It was so bright, it could have been seen through binoculars.”
We just learned something entirely new about our universe.
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