News tagged with earth

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What is Mars made of?

For thousands of years, human beings have stared up at the sky and wondered about the Red Planet. Easily seen from Earth with the naked eye, ancient astronomers have charted its course across the heavens ...

Feb 26, 2015
4.8 / 5 (19) 2

Could there be another planet behind the sun?

If you've read your share of sci-fi, and I know you have, you've read stories about another Earth-sized planet orbiting on the other side of the Solar System, blocked by the Sun. Could it really be there?

Feb 24, 2015
3.5 / 5 (57) 26

Are we independent of rare metals?

Numerous metallic elements are regarded as "critical": on one hand, they play an ever more important role in so-called future technologies and on the other, there is a high risk of supply bottlenecks. Small and medium-sized ...

Feb 24, 2015
4.5 / 5 (2) 0