UN meet sees blitz of pledges to protect ailing oceans

A major UN conference on how to restore the faltering health of global oceans kicked off in Lisbon this week with a flurry of promises to expand marine protected areas, ban deep-sea mining, and combat illegal fishing.

Mars as a base for asteroid exploration and mining

Mining the asteroids for resources like iron, precious metals, water, or other valuable species may someday become profitable. Mining will probably starting with near Earth objects (NEOs), asteroids whose paths cross the ...

Failed eruptions are at the origin of copper deposits

Copper is one of the most widely used metals on the planet today due to its electrical and thermal conduction properties. The greatest natural resources of this metal are the so-called "porphyry" deposits that come from ...

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