That question comes from Daniel Hernandez Carillo in Monclova in Mexico.
If you think Earth is plentiful, wait until we get to space. Many thousands of near-Earth asteroids are littered with valuable minerals, and the moon miners are lining up for a dust rush. But one man is ahead of us all.
The "nearly pure ice" could be used for drinking water or producing oxygen or methane for astronauts, scientists say. They discovered the deposits using images from the Mars Reconnaissance Orbiter.
This mashup of a creature was indisputably a carnivore with croc-like teeth and razor-sharp claws. Paleontologists have said it roamed the earth some 75 million years ago in present-day Mongolia.
It's one thing to land on a comet. But to meet an asteroid, grab a sample, and bring it back to Earth - that's a whole new dimension. NASA's OSIRIS-REx Asteroid Sample Return Mission aims to do just that.
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